The vertical Phillips curve occurs in the long run because economic agents are quick to respond to changes in the price level. the aggregate supply curve is vertical which means that: a) changes in aggregate demand will not change unemployment.
b) of lags in monetary and fiscal policies.
c) wage and price rigidities prevent changes in aggregate demand to change unemployment.

The purchasing agent for a company that assembles and sells air-conditioning equipment in a latin american country noted that the cost of compressors has increased significantly each time they have been reordered. the company uses an eoq model to determine order size. what are the implications of this price escalation with respect to order size? what factors other than price must be taken into consideration?

Why is it easier for new entrants to get involved in radical innovations when compared to incumbent firms? a. unlike incumbent firms, new entrants do not have to face the high entry barriers, initially. b. new entrants are embedded in an innovation ecosystem, while incumbent firms are not. c. unlike incumbent firms, new entrants do not have formal organizational structures and processes. d. incumbent firms do not have the advantages of network effects that new entrants have.

Schuepfer inc. bases its selling and administrative expense budget on budgeted unit sales. the sales budget shows 1,800 units are planned to be sold in march. the variable selling and administrative expense is $4.30 per unit. the budgeted fixed selling and administrative expense is $35,620 per month, which includes depreciation of $2,700 per month. the remainder of the fixed selling and administrative expense represents current cash flows. the cash disbursements for selling and administrative expenses on the march selling and administrative expense budget should be: