1)Why determination of prices in the agricultural sector is not as issue in Macroeconomics?

2)What do economists think of Paul Romer's paper on the trouble with macroeconomics?\

3)What are examples of macroeconomics activities?

4)Why might macroeconomic data on the volume of trucking shipments diverge greatly from that of rail shipments?

5)What is the intuition behind assuming compactness in macroeconomic models?

1)Determination of prices in the agricultural sector is not a macroeconomic issue because the agricultural sector which produces goods and food items for the people of the country has a provision of subsidy by the government of the country. Government motive is to provide a healthy and a sustainable economy is to ensure that all the people of the country are provided with basic needs that are provided by the agriculture sector and thus, determining of prices in the agriculture sector is not a highlighted issue in the macroeconomic context

2)Some economists believed that the criticism of Paul Rome was unconstructive, and many comprehensive models were undervalued. The conclusion of the study of Romer was not perfect. There is identification in the model of Romer, using many variables increases the identification problem. Many economists thought that Romer?s argument on the real effect of monetary policy is out-dated. The RBC model took a long time to replace the Keynesian model.

3)

Macro economic problems as explained above is taking into consideration the economy on whole .

The examples of macroeconomy is the following :

1. measure of GDP - This measures the production done in the economy on whole in which all the three sectors are taken on whole and all production done within the domestic territory of the country .

2. Aggregate demand : This is the concept when we consider the demand created in the economy on whole rather than individual demand and this helps in solving the problem of unemployment , inflation.

3. Aggregate supply: This helps in measuring the expected income from total supply in economy from the production done in a year.

4. Monetary and fiscal policy: these policies helps in finding solutions to the macroeconomic problems like inflation, unemployment etc through the measures taken by government...

4)

Some of the various reasons that have promoted the use of the railway include cost-effectiveness. There are statistical reports that transporters can save 10-40% through the use of rail due to reduced costs compared to road transport as well as the high volume of goods transported per turn. The use of trains is environmentally friendly due to reduced pollution through greenhouse gases emissions which is a prevalent factor in road transport.

Trains can carry high volumes of products with an estimate of amount carried by 280 trucks hence very beneficial to shipper carrying large cargo. Railways are also very reliable due to their standardized transportation schedules, unlike vehicles which are public means. They are also not affected by traffic jams which are evident in road trucks. Weather conditions such as flooding can hinder truck transportation which is rare in rail. Breakage of products on transit is lower through the use of railways due to minimizes handling, unlike in road transportation.

5)Assumption of compactness in the macroeconomic model is used because to compute numerical solutions, the compactness of domain is the important restriction.