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This book aims to integrate the notions of contagion in epidemiology and contagion in financial market crises to discover why emerging markets are so susceptible to financial crises. The author first provides a brief introduction of the contagious spill-over of recent financial market crises and models the pattern of these crises. He finds that the contagion between crises in emerging markets, such as that of the crises in Russia and Brazil in 1998-1999, is explicable, despite the fact that at first sight they appear to have little in common. Finally, Friedrich Sell integrates these findings to outline a proposal for a 'new international financial architecture'.
The global financial crisis made clear that the financial sector and financial frictions play an integral role in the macroeconomy. Modelers are quickly incorporating these in different ways. This dissertation research also investigates both the causes and effects of financial crises. The first essay, which is mostly empirical, analyzes the impact of the recent U.S. financial crisis on Mexico while the second one, which is theoretical, introduces the Minsky financial friction into the literature as one of the causes of banking and financial crises. In the first essay, we simulate the impact of the U.S. financial crisis on Mexico, a major trading partner with close financial linkages, with the Gali and Monacelli (2005) small open economy DSGE model under two exchange rate regimes: the actual floating and the counterfactual fixed exchange rate regime. We assume the financial crisis generates a supply side shock (a productivity shock) and a demand side shock (a preference shock), which are the driving forces of the model. The results indicate that for both the demand and supply side shocks, the floating exchange rate ameliorates much of the impact on the Mexican economy vis- & agrave;-vis the counterfactual fixed exchange rate regime. Then I consider interest rate adjustments initiated in response by both the U.S. and Mexican monetary authorities. For the fixed exchange rate regime the impulse responses due to the productivity shock on most of Mexico & rsquo;s macroeconomic variables dissipate in less than thirteen quarters, with inflationary effects on price variables and permanent effects on the CPI and Mexico & rsquo;s home goods prices. Under the flexible exchange rate regime the effects of this shock are much smaller, and there is a deflationary effect and negative permanent effects on the nominal exchange rate, the CPI and Mexico & rsquo;s home goods prices. The variance decompositions indicate that the effects on real variables are larger under the fixed exchange rate regime and the external linkages are tighter. Welfare analysis shows that losses under the float are also less vis-a-vis the fixed and two other alternative central bank policy rules. The second essay introduces a new mechanism for financial frictions in a monetary dynamic stochastic general equilibrium model following Minsky & rsquo;s financial instability hypothesis (1977). We expand the Christiano, Trabandt and Walentin (2011) model by introducing three different types of entrepreneurs or borrowers: hedge, speculative and Ponzi borrowers. We change the role of banks from a non-risk taking financial intermediary in the CTW (2011) model to a risky debt accumulator. Then we link the accumulation of debt to the endogenous state of nature, which is absent in the current DSGE literature. The state of nature is endogenously a function of past history and the relative state of the business cycle. So ultimately the bank & rsquo;s profit function is a function of business cycle fluctuations. We also introduce a new type of shock, which we call the & ldquo;Minsky system risk & rdquo; shock. This shock captures excessive system risk that occurs within a banking network due to intermediation and interconnection among banks. Then we calculate the likelihood of a Minsky moment (or financial crisis) endogenously based on the bank & rsquo;s profit maximization problem.
This paper reviews the literature on financial crises focusing on three specific aspects. First, what are the main factors explaining financial crises? Since many theories on the sources of financial crises highlight the importance of sharp fluctuations in asset and credit markets, the paper briefly reviews theoretical and empirical studies on developments in these markets around financial crises. Second, what are the major types of financial crises? The paper focuses on the main theoretical and empirical explanations of four types of financial crises—currency crises, sudden stops, debt crises, and banking crises—and presents a survey of the literature that attempts to identify these episodes. Third, what are the real and financial sector implications of crises? The paper briefly reviews the short- and medium-run implications of crises for the real economy and financial sector. It concludes with a summary of the main lessons from the literature and future research directions.
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This paper presents a rule for foreign exchange interventions (FXI), designed to preserve financial stability in floating exchange rate arrangements. The FXI rule addresses a market failure: the absence of hedging solution for tail exchange rate risk in the market (i.e. high volatility). Market impairment or overshoot of exchange rate between two equilibria could generate high volatility and threaten financial stability due to unhedged exposure to exchange rate risk in the economy. The rule uses the concept of Value at Risk (VaR) to define FXI triggers. While it provides to the market a hedge against tail risk, the rule allows the exchange rate to smoothly adjust to new equilibria. In addition, the rule is budget neutral over the medium term, encourages a prudent risk management in the market, and is more resilient to speculative attacks than other rules, such as fixed-volatility rules. The empirical methodology is backtested on Banco Mexico’s FXIs data between 2008 and 2016.
Back in the early 1990s, economists and policy makers had high expectations about the prospects for domestic capital market development in emerging economies, particularly in Latin America. Unfortunately, they are now faced with disheartening results. Stock and bond markets remain illiquid and segmented. Debt is concentrated at the short end of the maturity spectrum and denominated in foreign currency, exposing countries to maturity and currency risk. Capital markets in Latin America look particularly underdeveloped when considering the many efforts undertaken to improve the macroeconomic environment and to reform the institutions believed to foster capital market development. The disappointing performance has made conventional policy recommendations questionable, at best. 'Emerging Capital Markets and Globalization' analyzes where we stand and where we are heading on capital market development. First, it takes stock of the state and evolution of Latin American capital markets and related reforms over time and relative to other countries. Second, it analyzes the factors related to the development of capital markets, with particular interest on measuring the impact of reforms. And third, in light of this analysis, it discusses the prospects for capital market development in Latin America and emerging economies and the implications for the reform agenda.
In this monograph, we review three branches of theoretical literature on financial crises. The first deals with banking crises originating from coordination failures among bank creditors. The second deals with frictions in credit and interbank markets due to problems of moral hazard and adverse selection. The third deals with currency crises. We discuss the evolutions of these branches in the literature, and how they have been integrated recently to explain the turmoil in the world economy during the East Asian crises and in the last few years. We discuss the relation of the models to the empirical evidence and their ability to guide policies to avoid or mitigate future crises.