Suppose there are four industries. labor costs are 70 percent of total costs in industry a, 80 percent in b, 45 percent in c, and 10 percent in d. in which of these industries will a 10 percent increase in the price of labor reduce quantity demanded of labor by the largest proportion?

Suppose an economist believes that the price level in the economy is directly related to the money supply, or the amount of money circulating in the economy. the economist proposes the following relationship: p=a x m - p=price level - m=money supply - a=a composite of other factors, including real gdp, that change very slowly over time. how might an economist gather empirical data to test the proposed relationship between money and the price level? an economist would persuade the federal reserve to change the money supply to various levels, and observe the resulting changes in the price level. unlike researchers in the hard sciences, economists cannot study complex relationships using data. economists do not usually develop theoretical models of the economy but only analyze summary statistics about the current state of the economy. an economist would look for data on past changes in the money supply, and note the resulting changes in the price level

You hold a diversified $100,000 portfolio consisting of 20 stocks with $5,000 invested in each. the portfolio's beta is 1.12. you plan to sell a stock with b = 0.90 and use the proceeds to buy a new stock with b = 1.50. what will the portfolio's new beta be? do not round your intermediate calculations.

As you have noticed, the demand for flip phones has drastically reduced, and there are only a few consumer electronics companies selling them at extremely low prices. also, the current buyers of flip phones are mainly categorized under laggards. which of the following stages of the industry life cycle is the flip phone industry in currently? a. growth stage b. maturity stage c. decline stage d. commercialization stage