Suppose the long-run supply curve for a good is upward-sloping. The upward slope could be explained byA. a breakdown of the "free entry and exit" feature of competition. B. the fact that a resource used in the production of the good is available only in limited quantities. C. a breakdown of the "price taking" feature of competition. D. decreases in production costs resulting from more firms coming into the market.

The fact that a resource used in the production of the good is available only in limited quantities.

Option B.

Explanation:

The long run supply curve in an industry in which development doesn't change input costs (a steady cost industry) is a horizontal line. The since quite a while ago run supply bend for an industry in which creation costs increment as yield rises (an expanding cost industry) is upward inclining.

In the long run aggregate supply curve is consummately vertical, mirroring financial analysts' conviction that adjustments in total interest just purpose a transitory change in an economy's absolute yield. The since a long time ago run total stockpile bend can be moved, when the elements of creation change in amount.

2 & 7

step-by-step explanation:

he climbs 300 ft/hr at a constant rate. the peak is at 1,500 ft.

when going up, he reaches 600 ft in 2 hours. remember, that he is going in a constant rate. divide 600 with 300:

600/300 = 2

assuming that he takes the same route back (meaning that it's a 1500 ft route back, you can solve.

note also that you are solving when he gets back to 600 ft after he reaches the peak.

first, find the amount of hours it takes to get up the peak. divide the total amount (1500), with the ft/her (300) to get the amount of hours (x):

1500/300 = x

x = 5

it takes jamie 5 hours to get up. now, he is returning down, and reaches 600 (his current destination). remember that he climbs at a constant 300 ft/hr. divide 600 with 300:

600/300 = x

x = 2

now add the two numbers together.

x = 5 + 2 = 7

jamie takes 7 hours to go up the mountain and reach his current position when descending.

(total amount/constant rate) = (time).

remember that it is a constant rate, so in total, when he gets back down the mountain, it will take the same amount of time as when he goes up. the total amount for the round trip is: 5 + 5 = 10.

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