GDP quantifies the monetary worth of final goods and services produced in a country over a specific period of time, i.e. those that are purchased by the end user (say a quarter or a year). It is a metric that measures all of the output produced within a country’s borders.
What does GDP stand for, and why is it calculated?
The Gross Domestic Product, or GDP, is one of the most important indicators of an economy’s health. It’s a way of measuring – or attempting to measure – all of a company’s, government’s, and individual’s activity in a given economy.
What are two things that GDP measures?
The total income in the economy and the total expenditure in the economy are the two things quantified by the gross domestic product.
What are the three methods for calculating GDP?
- The monetary worth of all finished goods and services produced inside a country during a certain period is known as the gross domestic product (GDP).
- GDP is a measure of a country’s economic health that is used to estimate its size and rate of growth.
- GDP can be computed in three different ways: expenditures, production, and income. To provide further information, it can be adjusted for inflation and population.
- Despite its shortcomings, GDP is an important tool for policymakers, investors, and corporations to use when making strategic decisions.
Is GDP a good economic indicator?
GDP is a good indicator of an economy’s size, and the GDP growth rate is perhaps the best indicator of economic growth, while GDP per capita has a strong link to the trend in living standards over time.
Gross Domestic Product
Each year and quarter, the BEA calculates the country’s GDP. Every month, however, new GDP figures are released. Why? Because the BEA estimates GDP three times per quarter. The advance estimate is an early look based on the greatest information available at the time, and it comes roughly a month after the quarter ends. The second and third estimates each include additional source data that was not accessible the month before, resulting in increased accuracy.
More to know
The gross domestic product of the United States is in the trillions of dollars. The term “GDP” is frequently used to refer to a percentage figure. This is the rate at which real GDP changed from the prior quarter or year. To compare different periods, “real” or “chained” GDP data have been adjusted to exclude the impacts of inflation over time.
Estimates of “current-dollar” or “nominal” GDP are based on market prices during the measurement period.
Seasonal adjustments are made to GDP data to exclude the influence of yearly trends like winter weather, holidays, and industry output schedules. This guarantees that the remaining fluctuations in GDP better represent genuine economic activity patterns. The Bureau of Economic Analysis also publishes GDP numbers that are not seasonally adjusted.
Unless otherwise noted, quarterly GDP data are given at annual rates for simplicity of comparison.
GDP by State
The Bureau of Economic Analysis (BEA) calculates the value of products and services produced in each state and the District of Columbia on a quarterly and annual basis. The data includes breakdowns of the contributions of various industries to each of these economies.
GDP by County, Metro, and Other Areas
Annual GDP statistics are given for counties, metropolitan areas, and a few other statistical areas. They include the contributions of 34 industries to the local economy. In December 2019, the BEA released its first official GDP statistics for the nation’s 3,113 counties and county equivalents.
GDP for U.S. Territories
Annual GDP figures, including industry contributions, are issued for American Samoa, the Commonwealth of the Northern Mariana Islands, Guam, and the United States Virgin Islands.
GDP by Industry
These figures, which are published quarterly and annually, quantify each industry’s performance and contributions to the general economy, often known as “value added.” The data also includes gross output, employee compensation, gross operating surplus, and taxes for each industry.
What does GDP measure and what does it not?
In reality, “GDP counts everything but that which makes life meaningful,” as Senator Robert F. Kennedy memorably stated. Health, education, equality of opportunity, the state of the environment, and many other measures of quality of life are not included in the number. It does not even assess critical features of the economy, such as its long-term viability, or whether it is on the verge of collapsing. What we measure, however, is important because it directs our actions. The military’s emphasis on “body counts,” or the weekly calculation of the number of enemy soldiers killed, gave Americans a hint of this causal link during the Vietnam War. The US military’s reliance on this morbid statistic led them to conduct operations with no other goal than to increase the body count. The focus on corpse numbers, like a drunk seeking for his keys under a lamppost (because that’s where the light is), blinded us to the greater picture: the massacre was enticing more Vietnamese citizens to join the Viet Cong than American forces were killing.
Now, a different corpse count, COVID-19, is proving to be an alarmingly accurate indicator of society performance. There isn’t much of a link between it and GDP. With a GDP of more than $20 trillion in 2019, the United States is the world’s richest country, implying that we have a highly efficient economic engine, a race vehicle that can outperform any other. However, the United States has had almost 600,000 deaths, but Vietnam, with a GDP of $262 billion (and only 4% of the United States’ GDP per capita), has had less than 500 to far. This less fortunate country has easily defeated us in the fight to save lives.
In fact, the American economy resembles a car whose owner saved money by removing the spare tire, which worked fine until he got a flat. And what I call “GDP thinking”the mistaken belief that increasing GDP will improve well-being on its owngot us into this mess. In the near term, an economy that uses its resources more efficiently has a greater GDP in that quarter or year. At a microeconomic level, attempting to maximize that macroeconomic measure translates to each business decreasing costs in order to obtain the maximum possible short-term profits. However, such a myopic emphasis inevitably jeopardizes the economy’s and society’s long-term performance.
The health-care industry in the United States, for example, took pleasure in efficiently using hospital beds: no bed was left empty. As a result, when SARS-CoV-2 arrived in the United States, there were only 2.8 hospital beds per 1,000 people, significantly fewer than in other sophisticated countries, and the system was unable to cope with the rapid influx of patients. In the short run, doing without paid sick leave in meat-packing facilities improved earnings, which raised GDP. Workers, on the other hand, couldn’t afford to stay at home when they were sick, so they went to work and spread the sickness. Similarly, because China could produce protective masks at a lower cost than the US, importing them enhanced economic efficiency and GDP. However, when the epidemic struck and China required considerably more masks than usual, hospital professionals in the United States were unable to meet the demand. To summarize, the constant pursuit of short-term GDP maximization harmed health care, increased financial and physical insecurity, and weakened economic sustainability and resilience, making Americans more exposed to shocks than inhabitants of other countries.
In the 2000s, the shallowness of GDP thinking had already been apparent. Following the success of the United States in raising GDP in previous decades, European economists encouraged their leaders to adopt American-style economic strategies. However, as symptoms of trouble in the US banking system grew in 2007, France’s President Nicolas Sarkozy learned that any leader who was solely focused on increasing GDP at the expense of other indices of quality of life risked losing the public’s trust. He asked me to chair an international commission on measuring economic performance and social progress in January 2008. How can countries improve their metrics, according to a panel of experts? Sarkozy reasoned that determining what made life valuable was a necessary first step toward improving it.
Our first report, provocatively titled Mismeasuring Our Lives: Why GDP Doesn’t Add Up, was published in 2009, just after the global financial crisis highlighted the need to reassess economic orthodoxy’s key premises. The Organization for Economic Co-operation and Development (OECD), a think tank that serves 38 advanced countries, decided to follow up with an expert panel after it received such excellent feedback. We confirmed and enlarged our original judgment after six years of dialogue and deliberation: GDP should be dethroned. Instead, each country should choose a “dashboard”a collection of criteria that will guide it toward the future that its citizens desire. The dashboard would include measures for health, sustainability, and any other values that the people of a nation aspired to, as well as inequality, insecurity, and other ills that they intended to reduce, in addition to GDP as a measure of market activity (and no more).
These publications have aided in the formation of a global movement toward improved social and economic indicators. The OECD has adopted the method in its Better Life Initiative, which recommends 11 indicators and gives individuals a way to assess them in relation to other countries to create an index that measures their performance on the issues that matter to them. The World Bank and the International Monetary Fund (IMF), both long-time proponents of GDP thinking, are now paying more attention to the environment, inequality, and the economy’s long-term viability.
This method has even been adopted into the policy-making frameworks of a few countries. In 2019, New Zealand, for example, incorporated “well-being” measures into the country’s budgeting process. “Success is about making New Zealand both a terrific location to make a livelihood and a fantastic place to create a life,” said Grant Robertson, the country’s finance minister. This focus on happiness may have contributed to the country’s victory over COVID-19, which appears to have been contained to around 3,000 cases and 26 deaths in a population of over five million people.
Why is GDP such an important indicator of our living standards?
The GDP is the total production of goods and services produced within a country’s borders in a given year. Inflation and price rises are removed from real GDP per capita. Real GDP is a stronger indicator of living standards than nominal GDP. A country with a high level of production will be able to pay greater wages.
With an example, what is GDP in economics?
The Gross Domestic Product (GDP) is a metric that measures the worth of a country’s economic activities. GDP is the sum of the market values, or prices, of all final goods and services produced in an economy during a given time period. Within this seemingly basic concept, however, there are three key distinctions:
- GDP is a metric that measures the value of a country’s output in local currency.
- GDP attempts to capture all final commodities and services generated within a country, ensuring that the final monetary value of everything produced in that country is represented in the GDP.
- GDP is determined over a set time period, usually a year or quarter of a year.
Computing GDP
Let’s look at how to calculate GDP now that we know what it is. GDP is the monetary value of all the goods and services generated in an economy, as we all know. Consider Country B, which exclusively produces bananas and backrubs. In the first year, they produce 5 bananas for $1 each and 5 backrubs worth $6 each. This year’s GDP is (quantity of bananas X price of bananas) + (quantity of backrubs X price of backrubs), or (5 X $1) + (5 X $6) = $35 for the country. The equation grows longer as more commodities and services are created. For every good and service produced within the country, GDP = (quantity of A X price of A) + (quantity of B X price of B) + (quantity of whatever X price of whatever).
To compute GDP in the real world, the market values of many products and services must be calculated.
While GDP’s total output is essential, the breakdown of that output into the economy’s big structures is often just as important.
In general, macroeconomists utilize a set of categories to break down an economy into its key components; in this case, GDP is equal to the total of consumer spending, investment, government purchases, and net exports, as represented by the equation:
- The sum of household expenditures on durable commodities, nondurable items, and services is known as consumer spending, or C. Clothing, food, and health care are just a few examples.
- The sum of spending on capital equipment, inventories, and structures is referred to as investment (I).
- Machinery, unsold items, and homes are just a few examples.
- G stands for government spending, which is the total amount of money spent on products and services by all government agencies.
- Naval ships and government employee wages are two examples.
- Net exports, or NX, is the difference between foreigners’ spending on local goods and domestic residents’ expenditure on foreign goods.
- Net exports, to put it another way, is the difference between exports and imports.
GDP vs. GNP
GDP is just one technique to measure an economy’s overall output. Another technique is to calculate the Gross National Product, or GNP. As previously stated, GDP is the total value of all products and services generated in a country. GNP narrows the definition slightly: it is the total value of all goods and services generated by permanent residents of a country, regardless of where they are located. The important distinction between GDP and GNP is based on how production is counted by foreigners in a country vs nationals outside of that country. Output by foreigners within a country is counted in the GDP of that country, whereas production by nationals outside of that country is not. Production by foreigners within a country is not considered for GNP, while production by nationals from outside the country is. GNP, on the other hand, is the value of goods and services produced by citizens of a country, whereas GDP is the value of goods and services produced by a country’s citizens.
For example, in Country B (shown in ), nationals produce bananas while foreigners produce backrubs.
Figure 1 shows that Country B’s GDP in year one is (5 X $1) + (5 X $6) = $35.
Because the $30 from backrubs is added to the GNP of the immigrants’ home country, the GNP of country B is (5 X $1) = $5.
The distinction between GDP and GNP is theoretically significant, although it is rarely relevant in practice.
GDP and GNP are usually quite close together because the majority of production within a country is done by its own citizens.
Macroeconomists use GDP as a measure of a country’s total output in general.
Growth Rate of GDP
GDP is a great way to compare the economy at two different times in time. This comparison can then be used to calculate a country’s overall output growth rate.
Subtract 1 from the amount obtained by dividing the GDP for the first year by the GDP for the second year to arrive at the GDP growth rate.
This technique of calculating total output growth has an obvious flaw: both increases in the price of products produced and increases in the quantity of goods produced result in increases in GDP.
As a result, determining whether the volume of output is changing or the price of output is changing from the GDP growth rate is challenging.
Because of this constraint, an increase in GDP does not always suggest that an economy is increasing.
For example, if Country B produced 5 bananas value $1 each and 5 backrubs of $6 each in a year, the GDP would be $35.
If the price of bananas rises to $2 next year and the quantity produced remains constant, Country B’s GDP will be $40.
While the market value of Country B’s goods and services increased, the quantity of goods and services produced remained unchanged.
Because fluctuations in GDP are not always related to economic growth, this factor can make comparing GDP from one year to the next problematic.
Real GDP vs. Nominal GDP
Macroeconomists devised two types of GDP, nominal GDP and real GDP, to deal with the uncertainty inherent in GDP growth rates.
- The total worth of all produced goods and services at current prices is known as nominal GDP. This is the GDP that was discussed in the previous parts. When comparing sheer output with time rather than the value of output, nominal GDP is more informative than real GDP.
- The total worth of all produced goods and services at constant prices is known as real GDP.
- The prices used to calculate real GDP are derived from a certain base year.
- It is possible to compare economic growth from one year to the next in terms of production of goods and services rather than the market value of these products and services by leaving prices constant in the computation of real GDP.
- In this way, real GDP removes the effects of price fluctuations from year-to-year output comparisons.
Choosing a base year is the first step in computing real GDP. Use the GDP equation with year 3 numbers and year 1 prices to calculate real GDP in year 3 using year 1 as the base year. Real GDP equals (10 X $1) + (9 X $6) = $64 in this situation. The nominal GDP in year three is (10 X $2) + (9 X $6) = $74 in comparison. Because the price of bananas climbed from year one to year three, nominal GDP grew faster than actual GDP during this period.
GDP Deflator
Nominal GDP and real GDP convey various aspects of the shift when comparing GDP between years. Nominal GDP takes into account both quantity and price changes. Real GDP, on the other hand, just measures changes in quantity and is unaffected by price fluctuations. Because of this distinction, a third relevant statistic can be calculated once nominal and real GDP have been computed. The GDP deflator is the nominal GDP to real GDP ratio minus one for a particular year. The GDP deflator, in effect, shows how much of the change in GDP from a base year is due to changes in the price level.
Let’s say we want to calculate the GDP deflator for Country B in year 3 using as the base year.
To calculate the GDP deflator, we must first calculate both nominal and real GDP in year 3.
By rearranging the elements in the GDP deflator equation, nominal GDP may be calculated by multiplying real GDP and the GDP deflator.
This equation displays the distinct information provided by each of these output measures.
Changes in quantity are captured by real GDP.
Changes in the price level are captured by the GDP deflator.
Nominal GDP takes into account both price and quantity changes.
You can break down a change in GDP into its component changes in price level and change in quantities produced using nominal GDP, real GDP, and the GDP deflator.
GDP Per Capita
When describing the size and growth of a country’s economy, GDP is the single most helpful number. However, it’s crucial to think about how GDP relates to living standards. After all, a country’s economy is less essential to its residents than the level of living it delivers.
GDP per capita, calculated by dividing GDP by the population size, represents the average amount of GDP received by each individual, and hence serves as an excellent indicator of an economy’s level of life.
The value of GDP per capita is the income of a representative individual because GDP equals national income.
This figure is directly proportional to one’s standard of living.
In general, the higher a country’s GDP per capita, the higher its level of living.
Because of the differences in population between countries, GDP per capita is a more relevant indicator for measuring level of living than GDP.
If a country has a high GDP but a large population, each citizen may have a low income and so live in deplorable circumstances.
A country, on the other hand, may have a moderate GDP but a small population, resulting in a high individual income.
By comparing standard of living among countries using GDP per capita, the problem of GDP division among a country’s residents is avoided.
How does the income method calculate GDP?
Last but not least, we must make a net foreign factor income adjustment (F). The difference between the total revenue generated by local residents (and businesses) in foreign nations and the total income generated by foreign citizens (and businesses) in the local country is known as net foreign factor income. Because GDP measures the economic production generated within an economy, regardless of whether the employees or employers are local citizens or not, this adjustment is required.
What are two things that GDP does not account for?
What items are excluded from GDP calculations? Illegal transactions, such as the black market, stock and bond sales, items produced at home but not sold (cooking, pluming, etc. ), used goods sales, leisure value, social well-being, pollution, and other negative externalities