Which helps explain why exchange-rate pass-through has declined since the 1990s?

Question

BlackTom AI · Accepted Answer

Exchange-rate pass-through (ERPT) is the extent to which exchange-rate changes are reflected in import or domestic retail prices. A decline in ERPT since the 1990s reflects multiple, interacting structural changes in world trade and macroeconomic policy.

1) Relevant knowledge points and concepts
- ERPT depends on invoicing currency, pricing behavior of firms (price-to-market vs. full pass-through), degree of competition and markups, and monetary/inflationary environment (inflation persistence and credibility).
- Global value chains (GVCs) change where costs accrue and in which currencies they are denominated.
- Financial instruments and risk management (currency hedging) can mute the impact of spot exchange-rate moves on consumer prices.

2) Step-by-step reasoning
- If firms invoice in their customers’ currency or set local-currency prices (local currency pricing), exchange-rate moves will be absorbed in exporters’ margins rather than passed to import prices: ERPT falls.
- Greater competition and wider global sourcing allow firms to adjust margins or substitute suppliers when exchange rates move, limiting price changes.
- Supply-chain fragmentation means many imported components have prices set in third-party currencies; the net effect of an exchange-rate move on final import prices is diluted.
- Lower and more stable inflation since the 1990s reduced the need for frequent nominal price adjustments; with more price stickiness and better-anchored expectations, ERPT declines.
- Increased use of hedging and financial smoothing instruments lets firms stabilize domestic prices despite exchange-rate volatility.

3) Calculations
- No numerical calculation is required; the argument is qualitative and mechanism-driven.

4) Why “all of these” is correct
Each mechanism above reduces pass-through; they operate simultaneously. Empirical studies attribute the decline in ERPT to a combination of invoicing practice shifts, global supply chains, increased competition, and improved macroeconomic credibility—so no single cause suffices.

5) Why single-option alternatives are insufficient
A choice asserting only one cause (for example, only lower inflation or only invoicing changes) ignores the documented joint contribution of multiple factors. Empirical evidence supports a multi-causal explanation.

6) Conclusion
Because multiple mechanisms jointly reduced ERPT since the 1990s, the correct answer is “all of these,” which matches the provided answer.

Which helps explain why exchange-rate pass-through has declined since the 1990s?Single choice

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