Suppose the demand for a product is perfectly elastic. At a price of $20, 10 units of a product are sold. If the price is increased to $40, then one would expect sales . a) to remain at 10 b) to fall below 5 c) to equal 5 d) to fall to zero

The rybczynski theorem describes: (a) how commodity price changes influence real factor rewards (b) how commodity price changes influence relative factor rewards. (c) how changes in factor endowments cause changes in commodity outputs. (d) how trade leads to factor price equalization.

On analyzing her company’s goods transport route, simone found that they could reduce transport costs by a quarter if they merged different transport routes. what role (job) does simone play at her company? simone is at her company.

Anew 2-lane road is needed in a part of town that is growing. at some point the road will need 4 lanes to handle the anticipated traffic. if the city's optimistic estimate of growth is used, the expansion will be needed in 4 years and has a probability of happening of 40%. for the most likely and pessimistic estimates, the expansion will be needed in 8 and 15 years respectively. the probability of the pessimistic estimate happening is 20%. the expansion will cost $ 4.2 million and the interest rate is 8%. what is the expected pw the expansion will cost?