# Practical Fundamentals of Economics, 10 cases

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Situation 1.

In the market of tourist services are 10 firms with market shares of each form of the same (10%). How to change the degree of market concentration, if four companies merge? Answer confirm the calculation Herfindahl Hirschman Index N. whether to allow such a combination antitrust law?

Situation 2.

The company that sells computers for the price P1 = 500u.e. has sales for the month -Q1 = 100 computers. As a result of reducing the price to a value P2 = 400 y. e. sales of Q2 = 150 computers. Is the demand for computers elastic? Answer confirm calculations.

Situation 3.

New entrepreneur got a bank loan for K = 50,000 rubles. T = period of 1 year at an annual interest rate = 10% per year. What is the fee for a loan of P for the quarter, a year?

Situation 4.

What is the price index in 2004. If inflation in 2004 was 12%?

Situation 5.

Monthly income of the enterprise is 100 000 rubles. What tax must pay the company, if the tax rate is 24%?

Situation 6.

The population of one of the regions of Russia is 15 million. People. Among them: children up to 16 years - 4.5 million .; persons in psychiatric hospitals and prisons - 0.3 million. people; Pensioners - 3.2 million. people, the unemployed - 0.7 million. people; part-time workers - 0.3 million. people. Determine the level of unemployment UX.

Situation 7.

Calculate the unemployment rate in the city of UB on the following data: the population - 100 thousand .; number of employees - 48 thousand .; children and the elderly - 41 thousand .; disabled persons of working age - 3 thousand.

Situation 8.

The newsletter is published exchange rate: 1 USD. = 0, 035 dollars. (Reverse quote). What data on the exchange rate will correspond to the direct quotation?

Situation 9.

Data on changes in foreign currency exchange rates in US dollars are given in the table below:

10 situation.

Cash proceeds received within one month from the sale of the owner of output, is DT = 750 000 rubles. what percentage of the cost level of gross profit if the cost of material resources made DVN = 100 000 rubles.?