help me please..

1. In economics, the long run is observed as the time period inwhich we find: 0

All factors of production are fixed

At least one of the factors of production is fixed

All factors of production are variable

Profits are negative

2. Rise in the price of complementary goods leadsto:

Increase in demand

Extension of demand

Decrease in demand

Contraction of demand

3. Identify which one of the following is related to the issuesof macroeconomics?

The purchasing decisions that an individual consumer makes

The effect of increasing the aggregate supply

The effect of an increase in the tax on oil sales

The hiring decisions that a company makes

4. Under which one of the following situations an equilibriumprice falls?

When supply decreases and demand remains same

When demand decreases and supply remains same

None of the given options

When demand increases and supply remains same

5. In the analysis of its elasticity, if the demand for product“A” increases when the price of product “B” decreases, then thoseproducts are:

Substitute products

Independent products

Complementary products

Inferior products

6.

Identify at which one of the following prices the freeenterprise the economy has important allocative and distributivefunctions:

Equilibrium price

Floor price

Ceiling price

None of the given options

7.

Which one of the following is NOT COSTRAINTS in achievingeconomic efficiency?

Output efficiency

Customer buying plan

Market prices

Market prices

8.Which one of the following market structure has aperfectly elastic demand curve?

Monopolistic competition

Perfect competition

Oligopoly

Monopoly

9. Identify one of the following market structures where sellershave no control over the prices:

Monopoly

Oligopoly

Monopolistic competition

Perfect competition

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