Tha use of cannabis was legalized in Canada in 2017. Suppose that the cannabis sector in Canada has a four-firm concentration ratio of 40 and a Herfindahl index of 921. Most likely, the cannabis sector would achieve Multiple Choice   minimum efficient scale (MES).   allocative efficiency but not productive efficiency.   productive efficiency but not allocative efficiency.   neither productive efficiency nor allocative efficiency.   both productive efficiency and allocative efficiency.

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Appalachian Coal Mining believes that it can increase labor productivity and, therefore, net revenue by reducing air pollution in its mines. It estimates that the marginal cost function for reducing pollution by installing additional capital equipment is  MC = 40P where P represents a reduction of one unit of pollution in the mines. It also feels that for every unit of pollution reduction, the marginal increase in revenue (MR) is  MR = 1,000 - 10P How much pollution reduction should Appalachian Coal Mining undertake?

Please see how I've responded to the 2 questions below...Do you concur are am I off track here.   What will the dollar amount of economic gain or economic loss be? The amount of loss would be Quantity*(ATC-Price)= 9*(17.5-16)=$13.5   What will be the price and quantity where the firm will shut down? Price where there is not able to recover average variable cost in the market. Shut down price is $12 and Quantity is 7 units

Suppose that a factory that enjoys a monopoly in their market has one of their senior engineers retire. Losing this engineer caused the marginal and average total costs to increase by $20. As a result of this rise in costs, the factory changes its price to continue to maximize profit. We should expect production to: Select an answer and submit. For keyboard navigation, use the up/down arrow keys to select an answer. a increase. b decrease. not change.

I need help with #111 please