How does a stronger currency affect consumers in IB Economics terms?

In IB Economics, the clearest consumer benefit from currency appreciation is cheaper imports. Households can buy imported goods at lower domestic-currency prices, which tends to reduce cost of living pressures and can lower inflation. Appreciation also makes foreign travel and overseas subscriptions feel cheaper, which is an easy real-world hook for an answer. But a complete response also considers the indirect effect through jobs and income. If export industries contract because foreign demand falls, unemployment can rise and wage growth can soften, offsetting some consumer gains. This is why examiners reward answers that link consumers to the wider macro outcomes, not just price tags.

Why can depreciation increase real GDP in IB Economics?

Depreciation can raise real GDP because it often improves net exports (X--M), which is a component of aggregate demand. When exports become cheaper to foreign buyers, export volumes can rise, encouraging firms to expand output and hire more workers. At the same time, imports become more expensive, so domestic consumers and firms may substitute toward domestically produced goods, further supporting local production. However, the strength of this effect depends on elasticities and time lags, which is a key evaluation point in IB Economics. If export demand is inelastic, volumes may not rise much, and the economy may not gain significant output. And if the country relies heavily on imported inputs, costs can rise quickly and squeeze production.

Can exchange rate changes cause inflation, and how do I explain it?

Yes, exchange rate changes can contribute to inflation, and IB Economics expects you to separate the channels. With depreciation, imported consumer goods become more expensive, directly raising the CPI basket in many economies. Imported inputs also cost more, increasing firms’ costs of production and potentially shifting SRAS left, which creates cost-push inflation. There is also a demand-side channel: if depreciation increases exports, aggregate demand can rise, adding demand-pull pressure to prices. Appreciation tends to reverse these mechanisms by reducing import costs and weakening net exports. For top marks, add evaluation about the share of imports in consumption, the central bank’s response, and whether inflation expectations become unanchored.