The fragility of incomplete monetary unions

12 important questions on The fragility of incomplete monetary unions

How to correct a current account deficit?

1. Fix the exchange rate, reduce spending or raise taxes (costly, impopular)
2. Devalue currency, more competitive exports

Why is the fixed exchange rate system very fragile?

- the equilibria depend on te state of expectations which are self-fulfilling
- the equilibria depend on the fact that the CB has limited stock of international reserves

How can countries deal with the fragility of the fixed exchange rate?

1. move to a monetary regime (MU)
2. allow for more flexibility of exchange rates

> Many countries resist to choose, looked for a way out: possible due to re-imposing capital controls. But as integration increases, the need to open up capital markets becomes more intense, increasing the fragility.
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How can the credibility of fixed exchange rate regimes be enhanced? How does a currency board relate to this?

By increasing the cost of devaluation. A currency board is an institutional arrangement, which comprises three elements:
1. the country fixes its rate to an anchor currency, promises convertibility at a fixed rate
2. the country backs the issue of the domestic currency by holdings of the anchor currency
3. there is a legal commitment to maintain the fixed exchange rate

How does a government benefit from defaulting on repaying debt and what factors make defaulting more beneficial?

When a government decides to repay only 50% of its debt (haircut = 50%) the benefit of defaulting is that the government can reduce the interest burden on the outstanding debt. After the default, it will have to reduce spending/increase taxes (austerity) less than it would have without the default.

1. the higher the initial debt level, the higher the benefit
2. the efficiency of the tax system, the lower efficiency, the higher the benefit
3. the bigger the size of external debt, the higher the benefit

What happens when investors anticipate a default?

They sell government bonds, which increases the interest rate (since money supply decreased). This raises the government deficit, requiring more intense austerity: defaulting becomes more attractive.

What is the cost of defaulting?

The government suffers a loss of reputation, which will make it difficult for the government to borrow inthe future

What kind of shocks are there, how do they affect a government's decision to default?

small: cost of default > benefit
large: cost < benefit of default
intermediate: both are possible: what investors expect will happen (self-fulfilling)

How can the fragility of the incomplete MU be reduced?

1. increase the cost of default
2. entrust the role of LOLR to ECB
3. condolidate national debt into one common debt (i.e. incomplete MU > complete MU)

How might an incomplete MU stuck in a bad equilibrium cause a banking crisis (after defaulting)?

1. Investors sell their bonds, interest rate rises: since domestic banks are usually the main investors > losses on bank's balance sheets.
2. domestic banks are caught up in a funding problem: domestic liquidity dries up (MS declines) making it hard for domestic banks to roll-over their deposits except by paying prohibitive interest rates. Sovereign debt crisis > domestic banking crisis (even with sound banks)

! Banking union might allow to spread the cost of a banking crisis (difficult)

How do automatic stabilizers relate to liquidity and solvency crisis?

In a bad equilibrium, members find it difficult to use automatic budget stabilizers. Recession > high government budget deficits > distrust of markets in capacity of governments to pay future debt > liquidity and solvency crisis > forces government to institute austerity > does not happen in stand-alone countries where high budget deficits trigger a stabilizing mechanism

Name two types of incomplete MUs and explain how they relate

A fixed exchange rate regime and a Eurozone type MU. In both, a lack of confidence can in a self fulfilling way drive the country to a devaluation or a default, respectively. Problematic since it causes to question the sustainability of the unions.

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