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A Pandemic Forecasting Framework: An Application of Risk Analysis
This paper introduces a simple, frequently and easily updated, close to the data epidemiological model that has been used for near-term forecast and policy analysis. We provide several practical examples of how the model has been used. We explain the epidemic development in the UK, the USA and Brazil through the model lens. Moreover, we show how our model would have predicted that a super infectious variant, such as the delta, would spread and argue that current vaccination levels in many countries are not enough to curb other waves of infections in the future. Finally, we briefly discuss the importance of how to model re-infections in epidemiological models.
Oil Price Volatility and the Role of Speculation
How much does speculation contribute to oil price volatility? We revisit this contentious question by estimating a sign-restricted structural vector autoregression (SVAR). First, using a simple storage model, we show that revisions to expectations regarding oil market fundamentals and the effect of mispricing in oil derivative markets can be observationally equivalent in a SVAR model of the world oil market à la Kilian and Murphy (2013), since both imply a positive co-movement of oil prices and inventories. Second, we impose additional restrictions on the set of admissible models embodying the assumption that the impact from noise trading shocks in oil derivative markets is temporary. Our additional restrictions effectively put a bound on the contribution of speculation to short-term oil price volatility (lying between 3 and 22 percent). This estimated short-run impact is smaller than that of flow demand shocks but possibly larger than that of flow supply shocks.
World Economic Outlook, October 2012
The October 2012 World Economic Outlook (WEO) assesses the prospects for the global recovery in light of such risks as the ongoing euro area crisis and the "fiscal cliff" facing U.S. policymakers. Reducing the risks to the medium-term outlook implies reducing public debt in the major advanced economies, and Chapter 3 explores 100 years of history of dealing with public debt overhangs. In emerging market and developing economies, activity has been slowed by policy tightening in response to capacity constraints, weaker demand from advanced economies, and country-specific factors, but policy improvements have raised these economies' resilience to shocks, an issue explored in depth in Chapter 4.
Spillover Implications of Differences in Monetary Conditions in the United States and the Euro Area
This report analyzes the possible spillover effects that could result if the U.S. normalizes its monetary policy while euro area countries are increasing monetary stimulus (a situation referred to as asynchronous monetary conditions). This analysis identifies country-specific shocks to economic activity and monetary conditions since the early 1990s, finding that real and monetary conditions in the United States and the euro area have oftentimes been asynchronous and have often resulted in significant spillover effects, particularly since early 2014.
Big Players Out of Synch
Given the prospects of asynchronous monetary conditions in the United States and the euro area, this paper analyzes spillovers among these two economies, as well as the implications of asynchronicity for spillovers to other advanced economies and emerging markets. Through a structural vector autoregression analysis, country-specific shocks to economic activity and monetary conditions since the early 1990s are identified, and are used to draw implications about spillovers. The empirical findings suggest that real and monetary conditions in the United States and the euro area have oftentimes been asynchronous. The results also point to significant spillovers among them, in particular since early 2014—with spillovers from the euro area to the United States being particularly large. Against the backdrop of asynchronous conditions in these two economies, spillovers from real and money shocks to emerging markets and non-systemic advanced economies could be dampened.
Shifting Commodity Markets in a Globalized World
A survey of the complex and intertwined set of forces behind the various commodity markets and the interplay between these markets and the global economy. Summarizes a rich set of facts combined with in-depth analyses distillated in a nontechnical manner. Includes discussion of structural trends behind commodities markets, their future implications, and policy implications.
World Economic Outlook, April 2014
Global activity has broadly strengthened and is expected to improve further in 2014–15, according to the April 2014 WEO, with much of the impetus for growth coming from advanced economies. Although downside risks have diminished overall, lower-than-expected inflation poses risks for advanced economies, there is increased financial volatility in emerging market economies, and increases in the cost of capital will likely dampen investment and weigh on growth. Advanced economy policymakers need to avoid a premature withdrawal of monetary accommodation. Emerging market economy policymakers must adopt measures to changing fundamentals, facilitate external adjustment, further monetary policy tightening, and carry out structural reforms. The report includes a chapter that analyzes the causes of worldwide decreases in real interest rates since the 1980s and concludes that global rates can be expected to rise in the medium term, but only moderately. Another chapter examines factors behind the fluctuations in emerging market economies’ growth and concludes that strong growth in China played a key role in buffering the effects of the global financial crisis in these economies.
The Evolution of Current Account Deficits in the Euro Area Periphery and the Baltics
Explanations of the large current account deficits for the euro area periphery and the Baltics in the run up to the crisis revolve around two main factors: deteriorating export performance or demand driven booms. We add that there were important movements in transfers and net income balances. While export performance remained relatively stable in most countries, for some countries, when transfers declined, households and firms borrowed so as to maintain the same level of spending. This was part of a persistent failure to adjust to trade deficits, which, along with rising net income payments, led to growing current account deficits. All of these factors played varying roles in the development of current account deficits across these countries.
World Economic Outlook, April 2013
Global economic prospects have improved again, but the bumpy recovery and skewed macroeconomic policy mix in advanced economies are complicating policymaking in emerging market economies. Chapter 3 examines the prospects for inflation, particularly because inflation was remarkably stable in the wake of the Great Recession and, in fact, has become less responsive to cyclical conditions. Chapter 4 examines whether today’s fast-growing, dynamic low-income countries are likely to maintain their momentum and avoid the reversals that afflicted many such countries in the past.
World Economic Outlook, April 2018
This report describes the world economic outlook as of April 2018, projecting that advanced economies will continue to expand above their potential growth rates before decelerating, while growth in emerging markets in developing economies will rise before leveling off. It details global prospects and policies, including risks to the forecast, and essential determinants of long-term economic growth: labor force participation in advanced economies, the declining share of manufacturing jobs globally and in advanced economies, and the process through which innovative activity and technological knowledge spread across national borders.
