ΑΟΘ 2015: Κεφάλαιο 3ο - Τεστ 1 (Επιμέλεια: Γιώργος Καμαρινός)

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| By Chepeto13
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1. Το συνολικό προϊόν γίνεται μέγιστο, όταν

Explanation

The correct answer is "το οριακό προϊόν είναι μηδέν". This means that the marginal product is zero. In economics, the marginal product refers to the additional output that is produced when one more unit of input is added. When the marginal product is zero, it means that adding more input does not result in any additional output. This could indicate that the production process has reached its maximum efficiency and further increases in input will not lead to any increase in output.

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 2015:  3 -  1 (:  ) - Quiz

2. Ο νόμος της φθίνουσας απόδοσης αρχίζει να λειτουργεί, όταν

Explanation

The correct answer is that the marginal product starts to decrease. This means that the additional output produced by each additional unit of input decreases as more units of input are added.

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3. Μια επιχείρηση, με μοναδικό μεταβλητό συντελεστή την εργασία, μεγιστοποιεί το μέσο προϊόν της εργασίας, όταν απασχολεί πέντε εργάτες και το οριακό προϊόν του πέμπτου εργάτη είναι 32. Το συνολικό προϊόν της επιχείρησης, όταν απασχολεί πέντε εργάτες, είναι

Explanation

The given question is asking for the sum of the numbers in the series. The series starts with 32 and each subsequent number is multiplied by 2. Therefore, the next number in the series would be 64, then 128, and so on. The sum of the series is obtained by adding all the numbers together, which would be 32 + 64 + 128 + 256 = 480. Therefore, the answer of 160 is incorrect.

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4. To μέσο προϊόν παίρνει τη μέγιστη τιμή του, όταν

Explanation

The given correct answer states that the marginal product is equal to the average product. In economics, the marginal product refers to the additional output that is produced when one additional unit of input is added, while the average product refers to the total output divided by the total input. When the marginal product is equal to the average product, it means that each additional unit of input is contributing the same amount to the total output as the previous units. This implies that the production process is operating efficiently and there are no diminishing returns to the inputs.

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5. Στη βραχυχρόνια περίοδο, όταν το οριακό προϊόν γίνεται μηδέν, τότε

Explanation

The correct answer is "το συνολικό προϊόν αποκτά τη μέγιστη τιμή του". This is because the phrase "αποκτά τη μέγιστη τιμή του" translates to "attains its maximum value" in English. Therefore, the statement means that the total product reaches its maximum value.

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6. Στη βραχυχρόνια περίοδο, όταν το οριακό προϊόν είναι μικρότερο από το μέσο προϊόν, με την αύξηση της εργασίας το μέσο προϊόν

Explanation

The given statement in Greek translates to "The price decreases as the quantity increases." Therefore, the correct answer is "μειώνεται" which means "decreases" in English.

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7. Οριακό προϊόν ενός συντελεστή είναι 

Explanation

The correct answer is "the change that occurs in the total product when the variable coefficient is changed by one unit." This answer accurately describes the concept of the total product and how it is affected by a change in the variable coefficient. It explains that when the variable coefficient is changed by one unit, there will be a corresponding change in the total product.

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8. Όταν το οριακό προϊόν είναι 

Explanation

If the marginal product is greater than the average product, then the average product increases with the increase in labor.

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9. Στη βραχυχρόνια περίοδο, καθώς αυξάνεται η ποσότητα του παραγόμενου προϊόντος, το μέσο σταθερό κόστος

Explanation

The correct answer is "μειώνεται συνεχώς" which translates to "it continuously decreases". This is evident from the statement "μειώνεται συνεχώς" in the given options, which means "it continuously decreases".

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10. Ο νόμος της φθίνουσας ή μη ανάλογης απόδοσης είναι η αιτία που

Explanation

After a certain level of production, the average variable cost increases.

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