Volatility tests are an alternative to regression tests for evaluating the joint null hypothesis of market efficiency … taken to be. By considering tests based on conditional volatility bounds, we show that if the alternative is that one could … conditional volatility tests.If the application is to spot and forward markets, then the most powerful conditional volatility test …

that fundamental volatility accounts for the swings in macroeconomic volatility in the US and the other major world …, and show that it has significant explanatory power for the evolution of macroeconomic volatility. We define "fundamental …" volatility as the volatility that would arise from an economy made entirely of idiosyncratic microeconomic shocks, occurring …

This paper shows how changes in the volatility of the real interest rate at which small open emerging economies borrow … motivate our investigation, we document the strong evidence of time-varying volatility in the real interest rates faced by a … sample of four emerging small open economies: Argentina, Ecuador, Venezuela, and Brazil. We postulate a stochastic volatility …

Even though Australia has experienced frequent and large commodity export price shocks like the Third World, it seems … to have dealt with the volatility better. Why? This paper explores Australian terms of trade volatility since 1901. It …

We selectively survey, unify and extend the literature on realized volatility of financial asset returns. Rather than … focusing exclusively on characterizing the properties of realized volatility, we progress by examining economically interesting … functions of realized volatility, namely realized betas for equity portfolios, relating them both to their underlying realized …

reinforcing effects. In our model, capital controls reduce macroeconomic volatility and increase standard measures of consumer …

choices matter for output volatility and the medium-term level of inflation. Greater monetary independence is associated with … lower output volatility while greater exchange rate stability implies greater output volatility, which can be mitigated if a … inflation rate. We find that trilemma policy configurations and external finances affect output volatility through the …

markets on the cost of macroeconomic volatility there. We find that macroeconomic volatility has a potentially large impact on … industries with costly capacity, the multinationals would tend to invest in the more stable emerging markets. Higher volatility …

Is monetary policy less effective at increasing real output during periods of high volatility than during normal times …? In this paper, I argue that greater volatility leads to an increase in aggregate price flexibility so that nominal … stimulus mostly generates inflation rather than output growth. To do this, I construct price-setting models with "volatility …

shocks using methods from the news shocks literature, the analysis finds that innovations in realized stock market volatility … economy. Moreover, investors have historically paid large premia to hedge shocks to realized but not implied volatility. A … model in which fundamental shocks are skewed left can match those facts. Aggregate volatility matters, but it is the …