Assume the model of simultaneous short-run equilibrium in output market and asset market under the floating exchange rate regime. How would you best describe the relationship between domestic currency exchange rate and output? Select one – the most appropriate answer.

Question

BlackTom AI · Accepted Answer

The prompt asks us to evaluate how the domestic currency exchange rate interacts with output in a model of simultaneous short-run equilibrium in the output and asset markets under a floating exchange rate regime.
Option A (the first choice): 'When domestic currency depreciates it makes domestic goods and services less expensive compared to foreign goods and services bringing about the aggregate demand increase and consequently increase in output.' This phrasing matches the standard opened-door effect of depreciation: a weaker domestic currency makes domestic goods cheaper for foreign buyers and foreign goods relatively more expensive for domestic residents, boosting exports and reducing imports, which raises aggregate demand and hence output in the short run. This description aligns with the expected positive effect of depreciation on output via net exports and AD.
Option B: 'When output decreases domestic currency appreciates because the domestic interest rate is decreasing making it more beneficial to invest overseas.' Here, the logic is inconsistent: an increase in domestic interest rates tends to attract capital, causing currency appreciation, not depreciation; conversely, a depreciation usually comes with higher expected returns or even higher interest differentials. The statement mixes outcomes (apreciation with decreasing output) in a way that contradicts standard open-economy macro logic.
Option C: 'When output increases domestic currency depreciates because the domestic interest rate is increasing making it more beneficial to invest in domestic currency.' This one ties depreciation to an increasing output in a circular way and muddles causality: depreciation is typically associated with higher output via boosted demand, but the assertion that depreciation occurs because the domestic interest rate is increasing is not a direct or necessary link in standard models; moreover, higher domestic rates would attract capital and could appreciate the currency, not depreciate it, all else equal.
Option D: 'When domestic currency depreciates it makes domestic goods and services less expensive compared to foreign goods and services bringing about the aggregate demand increase and consequently increase in output.' This option repeats the correct mechanism described in Option A but uses the same substantive reasoning; however, since we are evaluating each option, this identical statement reinforces the same logic and is effectively the same as the correct option, correctly describing how depreciation boosts net exports and AD, leading to higher output.
Option E: 'All answers are wrong.' Since at least one option correctly describes the depreciation–AD–output link, this blanket statement is incorrect.
In summary, the central idea across the valid choices is that currency depreciation lowers the relative price of domestic goods to foreigners, stimulates net exports, raises aggregate demand, and thus increases output. The other options waver on causality, misstate the typical currency responses to interest-rate movements, or claim an outcome (all wrong) that is not supported by the analysis of open-economy macro dynamics.

Assume the model of simultaneous short-run equilibrium in output market and asset market under the floating exchange rate regime. How would you best describe the relationship between domestic currency exchange rate and output? Select one – the most appropriate answer.单项选择题

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