Recently Union government has raised the credit limit

For the 2 variables x and y with the same mean, the regression equation are y = 5x+b and x=7y +c. Calculate b/c

Consider an economy described by the following equations:

C = 100 + 0.6 ∗ (Y − T) (consumption function)

When we say that the estimator is BLUE. What does best signify here?

In the standard IS-LM model, an increase in Government spending (G) without  changing taxes has

When the expected future marginal product of capital increases, then the IS  curve   

Which of the following statements is incorrect?

Any straight-line supply curve that has a positive horizontal intercept has an elasticity of supply

In a perfectly competitive market, a firm’s long run supply curve is