Explanation:

Explanation:
A shift of the SRAS curve to the left constitutes a negative supply shock and will push the economy into a period of stagflation, where the economy is experiencing both inflation and recession. As a result, the inflation rate rises and the unemployment rate rises as well.

Choice A would be the result of AD shifting rightward.

Choice B would be the result of AD shifting leftward.

Choice D would be the result of SRAS shifting rightward.

Explanation:
Statement I is correct because deregulation lowers production costs and makes it easier for new competitors to enter the market. These outcomes encourage competition.

Statement II is incorrect because personal income tax cuts fall under market-based supply-side policies relating to incentives, rather than encouraging competition.

Statement III is correct because removing barriers to trade will allow foreign businesses to compete with domestic businesses. This competition incentivises domestic firms to be more efficient.

Statement IV is incorrect because abolishing minimum wages falls under market-based supply-side policies that are aimed at making the labour market more flexible rather than policies to encourage competition.

Explanation:
Choice A is the correct answer by definition. Quantitative easing is a process where a central bank buys long-term government bonds (and other financial assets) from commercial banks (other financial institutions) and credits their accounts with electronic reserves as digital entries held by the commercial banks at the central bank.

Explanation:
Structural unemployment is caused by a decrease in demand for specific labor skills due to increased automation (replacement of workers by machinery) or outsourcing (moving jobs overseas due to cheaper labor costs).

Choices A, C, and D are also types of unemployment, but their causes are different.

Explanation:
Statement I is a strength of market-based supply-side policies: they make the economy more efficient and competitive, which improves the allocation of resources.

Statement II is another strength of market-based supply-side policies. Removing restrictions from free market activities is less costly than interventionist supply-side policies.

Statement III is a constraint of market-based supply-side policies, as they can lead to a more unequal distribution of income, and deregulation may increase market failures, negatively impacting the environment.

Statement IV is a strength of interventionist supply-side policies, rather than market-based supply-side policies.

Explanation:
When the short-run RGDP equilibrium level exceeds the full employment level of GDP, the economy is experiencing an inflationary gap. Contractionary monetary policy is required to decrease aggregate demand, which involves shifting the AD curve to the left. This shift reduces both the aggregate price level and the short-run RGDP equilibrium level, ultimately helping to close the inflationary gap.

I and IV are examples of contractionary monetary policy.

II and III are examples of expansionary monetary policy.

Explanation:
Choice D is the correct answer because it shows that the equilibrium price level would increase without any increase in the equilibrium GDP level. This occurs when the economy has reached the full employment real GDP and there are no unused factors of production. Increasing AD causes inflation without any growth to real GDP.

Choice A is incorrect because it shows a scenario of growth without any inflation.
Both choices B and C depict a scenario of growth with inflation where both the equilibrium APL and real GDP increase.

Options A, B, and C are the three dimensions in which poverty is measured using MPI

Explanation:

The AS curve shifts when there are changes in the costs of factors of production or indirect taxes (VAT). The AD curve shifts when there is a change in domestic consumption, investment, government spending, or net exports.

A cut in income tax would increase AD (AD1 to AD2), increasing disposable income and domestic consumption. A rise in indirect taxes would decrease AS (AS1 to AS3), as it would increase production costs across the economy.

Explanation:
Budget deficits are financed through borrowing, which will $\text{‘}$crowd out$\text{’}$ private investment. Increased government borrowing makes loanable funds scarcer, driving up their price (interest rates).

Choices A, B and C are wrong, as sustained budget deficits increase AD and therefore the level of economic activity, resulting in:

• decreased net exports (X-M), which move the country towards a current account deficit
• increased inflation
• decreased unemployment

Explanation:
Interventionist supply-side policies may be a burden on the government budget but they often lead to a more equitable distribution of income, and less economic inequality.

Choices A, C, and D are possible drawbacks of such policies: they are expensive and may place an unsustainable burden on national debt, they involve long time-lags, and the increased government spending may create inflationary pressures in the economy.

Explanation:
Statement I is a limitation because interventionist supply-side policies involve a long time lag between implementation and seeing the desired effects.

Statement II is not a valid point when discussing the effectiveness of interventionist supply-side policies (these polices are very costly and do burden the government budget).

Statement III is an advantage of interventionist supply-side policies because the government can target the sectors it deems most important for growth.

Explanation:
Expansionary fiscal policy can decrease net exports (X-M) as increases in the price level can make exports less competitive, and rising incomes will increase spending on imports.

Choice B is wrong, as fiscal policy has no direct relationship with the money supply.

Choices C and D are wrong, as expansionary fiscal policy stimulates economic activity, increasing the employment and inflation rates.

Explanation:
Closing an inflationary gap requires a decrease in AD, and increasing income tax and reducing the money supply are both contractionary policies, making D the correct answer.

Choices A, B, and C include expansionary policies, which do not close inflationary gaps.

Explanation:
Increasing the money supply is a type of expansionary monetary policy that aims to stimulate overall spending and may increase national output and the average price level. It is usually implemented by central banks during recessions, which are characterized by a decrease in price level, a high unemployment rate, or a negative economic growth rate.

Choice A depicts an ideal situation for the implementation of expansionary monetary policy as it could deal with weak demand that caused the recession without significant inflation coming from three successive quarters of deflation.

Choice B is incorrect as the maintenance of a 2$\%$ inflation rate is consistent with achieving inflation targeting by central banks. Expansionary monetary policy would introduce greater volatility in the average price level, causing higher inflation.

Choices C and D both depict a scenario where rapid economic growth is achieved through an increase in aggregate demand. However, implementing expansionary monetary in this case would not result in stable prices and low inflation.

Explanation:
The goals of a central bank are focused on achieving short-term economic stability. These objectives include achieving low and stable inflation, implementing inflation targeting (choice A), reducing unemployment rates (choice B), and minimizing fluctuations in the business cycle (choice D).

Choice C is the correct answer because it is usually attributed to the goal of the executive branch of government and not the central bank.

Explanation‾Explanation:
The unemployment rate is calculated using the following equation:

Number of unemployed/Size of labor force × 100

500 000/8 million × 100 = 6.25%

Choice B divides the number of unemployed by the working age population, rather than the size of the labor force.

Choice C adds discouraged workers to the number of unemployed.

Choice D adds discouraged workers and divides by population of working age.

Explanation:
When AD decreases (AD to AD11), the economy will be producing below its full-employment level of output: this is known as a recessionary gap.

During a recessionary gap, unemployment rises as businesses lay off workers in response to decreasing aggregate demand.

Choice A would be correct if AD shifted rightward.

Choice C would be correct if SRAS shifted leftward.

Choice D is not possible, as rising unemployment is a defining characteristic of a recession.

Explanation:
LRAS shifts rightward when there is an increase in the quantity or quality of factors of production (FOPs), improvements in technology, increases in efficiency, or improvements in institutions.

Choices I and II: both will shift LRAS to the right. An increase in immigration increases the quantity of labour, and improvements in technology will increase efficiency in production, improving the quality of FOPs.

Choices III and IV are determinants of SRAS that would lower production costs and thus shift the SRAS curve rightward. Indirect taxes and production costs do not affect the quality or quantity of FOPs, so LRAS is unaffected.

Explanation:

Choice B

• If the ECB purchases government securities (bonds), it increases the money supply as it pays bondholders.
• If the ECB lowers the reserve requirement, commercial banks have more excess reserves for more loanable funds that increase credit creation and the money supply.
• If the ECB decreases the interest rate that it charges commercial banks (minimum lending rate or discount rate), banks borrow more and can lend more, increasing the money supply.

Choices A, C, and D include actions that decrease the money supply

• selling securities
• raising the reserve requirement
• increasing the minimum lending rate

Explanation:
A decrease in aggregate demand will create a recessionary gap and push the economy into recession. This creates cyclical unemployment, which is caused by a decrease in overall aggregate demand, and so businesses decrease their demand for labor.

Choices A, C, and D are also types of unemployment, but they are not caused by a decrease in aggregate demand.

Explanation:
Statement I is incorrect because an increase in interest rates will lead to higher borrowing costs and a higher reward for saving, resulting in decreased investment expenditure and consumption, thus decreasing AD, not SRAS.

Statement II is incorrect because lower consumer confidence will lead to lower consumption expenditure and decreased AD, not SRAS.

Statement III is correct because higher costs of production across the economy will shift the SRAS curve to the left.

Statement IV is correct because an increase in indirect taxes will also raise the costs of production for businesses and thus shift SRAS to the left.

Explanation:
Statement I is correct because a fall in consumer confidence will lead to a decrease in consumption expenditure and a decrease in AD, thus creating a deflationary gap.

Statement II is incorrect because a fall in interest rates will make borrowing cheaper (increasing consumption and investment expenditures) thus leading to an increase in AD, creating an inflationary gap.

Statement III is correct because a rise in taxes on corporate profits will lead to a decrease in investment expenditure and a decrease in AD, thus creating a deflationary gap.