Which of the following conditions would most likely permit a monopolist to continue earning economic profits even in the long run?
loss of patent protection.
significant barriers to entry.
loss of control over a basic input.
a total revenue that is lower than fixed cost for all levels of output.
a price below average cost for all levels of output.
a cartel is
found most of the time in monopolistic competition.
usually exempt from antitrust laws in the united states.
easier to maintain as the number of firms involved increases.
unlikely to occur in international markets.
a formal collusive arrangement among firms.

The typical consumer's food basket in the base year 2015 is as follows: 30 chickens at $4 each 10 hams at $5 each 10 steaks at $8 each a chicken feed shortage causes the price of chickens to rise to $5.00 each in the year 2016. hams rise to $7.00 each, and the price of steaks is unchanged. a. calculate the change in the "cost-of-eating" index between 2015 and 2016. year cost of the basket 2015 $ 2016 $ instructions: enter your responses rounded to one decimal place. the official cost-of-eating index has by %. b. suppose that consumers are completely indifferent between two chickens and one ham. for this example, how large is the substitution bias in the official "cost-of-eating" index? the in the cost-of-eating index is %. the of inflation in the cost of eating reflects substitution bias.

At cooly cola, we are testing the appeal of our new diet one cola. in a taste test of 250 randomly chosen cola drinkers, 200 consumers preferred diet one cola to the leading brand. assuming that the sample were large enough, the large-sample 95% confidence interval for the population proportion of cola drinkers that prefer diet one cola would be:

Harry is 25 years old with a 1.55 rating factor for his auto insurance. if his annual base premium is $1,012, what is his total premium? $1,568.60 $2,530 $1,582.55 $1,842.25