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The impossible trinity (also known as the impossible trilemma , the monetary trilemma or the Unholy Trinity ) is a concept in international economics and international political economy which states that it is impossible to have all three of the following at the same time:

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27-603: Unholy Trinity may refer to: Impossible trinity or unholy trinity, a concept in international economics The unholy trinity in John Milton's Paradise Lost consisting of Beelzebub, Lucifer, and Astaroth The unholy trinity of the dragon and the first and second beasts of the Book of Revelation . Popular culture [ edit ] Unholy Trinity (film) , an upcoming film starring Samuel L. Jackson Unholy Trinity ,

54-501: A de facto dollar peg (fixed exchange rate), promoting the free movement of capital (free capital flow) and making independent monetary policy at the same time. First, because of the de facto dollar peg, foreign investors could invest in Asian countries without the risk of exchange rate fluctuation. Second, the free flow of capital kept foreign investment uninhibited. Third, the short-term interest rates of Asian countries were higher than

81-473: A 1995 album by Blitzkrieg "Unholy Trinity", a song by Aggressor from Of Long Duration Anguish "Unholy Trinity", a song by Epica from The Score – An Epic Journey "Unholy Trinity", a song by The Who from Endless Wire Unholy Trinity , a book by Mark Aarons and John Loftus Unholy Trinity , a book by Robert Bloch Unholy Trinity: Labor, Capital, and Land in the New Economy ,

108-453: A book by Duncan K. Foley Unholy Trinity: The IMF, World Bank, and WTO , a book by Richard Peet "Unholy Trinity", a term used to label atheist authors Richard Dawkins, Christopher Hitchens, and Sam Harris; see The God Delusion "Unholy Trinity", a term used to label atheist speakers Matt Dillahunty , Seth Andrews , and Aron Ra "Unholy Trinity", a nickname for three albums by Norwegian black metal band Darkthrone: A Blaze in

135-565: A central bank has three policy combination options. In terms of the diagram above (Oxelheim, 1990), the options are: Currently, Eurozone members have chosen the first option (a) after the introduction of the euro. By contrast, Harvard economist Dani Rodrik advocates the use of the third option (c) in his book The Globalization Paradox , emphasising that world GDP grew fastest during the Bretton Woods era when capital controls were accepted in mainstream economics. Rodrik also argues that

162-527: A fixed exchange rate and an independent monetary policy is if it can prevent arbitrage in the foreign exchange rate market from taking place – by instituting capital controls on international transactions. The idea of the impossible trinity went from theoretical curiosity to becoming the foundation of open economy macroeconomics in the 1980s, by which time capital controls had broken down in many countries, and conflicts were visible between pegged exchange rates and monetary policy autonomy. While one version of

189-754: A movement among economists, policy makers and the International Monetary Fund back in favour of limited use. Lacking effective control on the free movement of capital, the impossible trinity asserts that a country has to choose between reducing currency volatility and running a stabilising monetary policy: it cannot do both. As stated by Paul Krugman in 1999: The point is that you can't have it all: A country must pick two out of three. It can fix its exchange rate without emasculating its central bank, but only by maintaining controls on capital flows (like China today); it can leave capital movement free but retain monetary autonomy, but only by letting

216-518: A nation with a fixed exchange rate at equilibrium with respect to capital flows as its monetary policy is aligned with the international market. However, the nation then adopts an expansionary monetary policy in order to try to stimulate its domestic economy. This involves an increase of the monetary supply, and a fall of the domestically available interest rate. Because the internationally available interest rate adjusted for foreign exchange differences has not changed, market participants are able to make

243-413: A profit by borrowing in the country's currency and then lending abroad – a form of carry trade . With no capital control, market players will do this en masse . The trade will involve selling the borrowed currency on the foreign exchange market in order to acquire foreign currency to invest abroad – and this tends to cause the price of the nation's currency to drop due to

270-528: Is different from Wikidata All article disambiguation pages All disambiguation pages Impossible trinity It is both a hypothesis based on the uncovered interest rate parity condition, and a finding from empirical studies where governments that have tried to simultaneously pursue all three goals have failed. The concept was developed independently by both John Marcus Fleming in 1962 and Robert Alexander Mundell in different articles between 1960 and 1963. Historically in advanced economies,

297-547: Is known to cause financial crisis. The Mexican peso crisis (1994–1995), the 1997 Asian financial crisis (1997–1998), and the Argentinean financial collapse (2001–2002) are often cited as examples. In particular, the East Asian crisis (1997–1998) is widely known as a large-scale financial crisis caused by the combination of the three policies which violate the impossible trinity. The East Asian countries were taking

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324-423: Is not essential to the basic point): Assume that world interest rate is at 5%. If the home central bank tries to set domestic interest rate at a rate lower than 5%, for example at 2%, there will be a depreciation pressure on the home currency , because investors would want to sell their low yielding domestic currency and buy higher yielding foreign currency. If the central bank also wants to have free capital flows,

351-646: The Asian crisis. Eventually countries such as Thailand ran out of dollar reserves and were forced to let their currencies float and devalue. Since many short-term debt obligations were denoted in US dollars, debts grew substantially and many businesses had to shut down and declare bankruptcy. The disorderly collapse of fixed exchange rate regimes in Asia was anticipated in Obstfeld and Rogoff, who showed that empirically almost no fixed exchange rate regime had survived five years once

378-515: The Northern Sky , Under a Funeral Moon and Transilvanian Hunger "Unholy Trinity", nickname of the trio of Quinn Fabray , Santana Lopez , and Brittany Pierce from the TV show Glee "Unholy Trinity of British Hard Rock and Heavy Metal", an honorific nickname for the three original heavy metal bands Black Sabbath , Deep Purple and Led Zeppelin "Unholy Trinity", a nickname for

405-405: The exchange rate fluctuate (like Britain – or Canada); or it can choose to leave capital free and stabilize the currency, but only by abandoning any ability to adjust interest rates to fight inflation or recession (like Argentina today, or for that matter most of Europe). The combination of the three policies – fixed exchange rate, free capital flow, and independent monetary policy –

432-489: The expansion of financial globalization and the free movement of capital flows are the reason why economic crises have become more frequent in both developing and advanced economies alike. Rodrik has also developed the political trilemma of the world economy where " democracy , national sovereignty and global economic integration are mutually incompatible: we can combine any two of the three, but never have all three simultaneously and in full." The formal model underlying

459-682: The expense of the government that tried to break the impossible trinity. A 2022 study of the Classical Gold Standard period found that the behavior of advanced economies to international shocks was consistent with the impossible trilemma. In the modern world, given the growth of trade in goods and services and the fast pace of financial innovation, it is possible that capital controls can often be evaded. In addition, capital controls introduce numerous distortions. Hence, there are few important countries with an effective system of capital controls, though by early 2010, there has been

486-413: The hypothesis is the uncovered Interest Rate Parity condition which states that in absence of a risk premium , arbitrage will ensure that the depreciation or appreciation of a country's currency vis-à-vis another will be equal to the nominal interest rate differential between them. Since under a peg, i.e. a fixed exchange rate, short of devaluation or abandonment of the fixed rate, the model implies that

513-447: The impossible trinity is focused on the extreme case – with a perfectly fixed exchange rate and a perfectly open capital account , a country has absolutely no autonomous monetary policy – the real world has thrown up repeated examples where the capital controls are loosened, resulting in greater exchange rate rigidity and less monetary-policy autonomy. In 1997, Maurice Obstfeld and Alan M. Taylor brought

540-415: The only way the central bank could prevent depreciation of the home currency is to sell its foreign currency reserves. Since foreign currency reserves of a central bank are limited, once the reserves are depleted, the domestic currency will depreciate. Hence, all three of the policy objectives mentioned above cannot be pursued simultaneously. A central bank has to forgo one of the three objectives. Therefore,

567-516: The periods pre-1914 and 1970–2020 were characterized by stable foreign exchange rates and free capital movement, whereas monetary autonomy was limited. The periods 1914–1924 and 1950–1969 had restrictions on capital movement (e.g. capital controls ), but exchange rate stability and monetary autonomy were present. According to the impossible trinity, a central bank can only pursue two of the above-mentioned three policies simultaneously. To see why, consider this example (which abstracts from risk but this

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594-425: The same term [REDACTED] This disambiguation page lists articles associated with the title Unholy Trinity . If an internal link led you here, you may wish to change the link to point directly to the intended article. Retrieved from " https://en.wikipedia.org/w/index.php?title=Unholy_Trinity&oldid=1236624853 " Category : Disambiguation pages Hidden categories: Short description

621-464: The short-term interest rate of the United States from 1990 to 1999. For these reasons, many foreign investors invested enormous amounts of money in Asian countries and reaped huge profits. While the Asian countries' trade balance was favorable, the investment was pro-cyclical for the countries. But when the Asian countries' trade balance shifted, investors quickly retrieved their money, triggering

648-445: The sudden extra supply. Because the nation has a fixed exchange rate, it must defend its currency and will sell its reserves in order to buy its currency back. However, unless the monetary policy is changed back, the international markets will invariably continue until the government's foreign exchange reserves are exhausted, thereby causing the currency to devalue, thus breaking one of the three goals and also enriching market players at

675-402: The term "trilemma" into widespread use within economics. In work with Jay Shambaugh , they developed the first methods to empirically validate this central, yet hitherto untested, hypothesis in international macroeconomics. Economists Michael C. Burda and Charles Wyplosz provide an illustration of what can happen if a nation tries to pursue all three goals at once. To start with they posit

702-405: The three personas of professional wrestling legend The Undertaker ; "The Deadman", "The American Badass" and Mark Calaway "Unholy Trinity", a concept and the main antagonists in the game "FAITH:the unholy trinity" made by "airdorf games" and published by "new blood interactive" See also [ edit ] Trinity (disambiguation) Holy Trinity (disambiguation) Topics referred to by

729-420: The two countries' nominal interest rates will be equalized. An example of which was the consequential devaluation of the peso , that was pegged to the US dollar at 0.08, eventually depreciating by 46%. This in turn implies that the country implementing the peg has no ability to set its nominal interest rate independently, and hence no independent monetary policy. The only way then that the country could have both

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