41.
The most efficient scale of production of a firm is where

42.
A firm should shut down in the short run if it is not covering its

43.
Economic problems arise because

44.
In the short run, when the output of a firm increases, its average fixed cost

45.
Elinor Ostrom and Oliver Williamson are the Nobel Prize Laureates in Economics in 2009. Do you know in which year was Francois Quesnay's Tableu Economique published?

46.
Identify the author of "The principles of Political Economy and Taxation"

47.
Which is not a central problem of an economy?

48.
A significant property of the Cobb-Douglas production function is that the elasticity of substitution between inputs is

49.
Who is generally regarded as the founder of the 'Classical School'?

50.
Union leaders are in better position to bargain for higher wages if demand for labour is