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We investigate the effect of uncertainty on investment. We employ a unique dataset of 25000 Greek firms' balance sheets for 14 years covering the period before and after the eurozone crisis. A dynamic factor model is employed to proxy uncertainty. The investment performance of 14 sectors is...
Persistent link: https://www.econbiz.de/10012060122
Poverty is typically measured as insufficient yearly income or consumption. In practice, however, poverty is marked by seasonality, economic instability, and illiquidity across months. To capture within-year variability, we extend traditional poverty measures to include a temporal dimension....
Persistent link: https://www.econbiz.de/10014351157
important source of consumption risk as two thirds of households are involved in some level of agricultural production. For … South Africa, we focus on labor market risk proxied by transitions from formal employment to informal work or unemployment …
Persistent link: https://www.econbiz.de/10012836527
This paper deals with three aspects of spectacular oil price episodes such as the one witnessed in 2008. First, the concept of temporary explosiveness is proposed as an empirical method for capturing this type of behavior. The application of a recently proposed recursive unit root test shows...
Persistent link: https://www.econbiz.de/10009786017
This paper proposes to investigate the impact of financialization on energy markets (oil, gas, coal and electricity European forward prices) during both normal times and extreme fluctuation periods through an original behavioral and emotional approach. To this aim, we propose a new theoretical...
Persistent link: https://www.econbiz.de/10013064133
This paper derives two new improved risk metrics LAPVaR and LAPSF. Traditional VaRDeltaNormal valuation exaggerates … Shortfall – PSF – uses option theory to solve the problem that, under any circumstance, the risk amount is never greater than … the portfolio value. Risk to LIQUIDATION means every day-t, a portion of portfolio assets-i, for integer i ϵ (1, N) is …
Persistent link: https://www.econbiz.de/10012962743
group of nonconventional economies like the GCC countries, where risk-sharing based financial system is prominent and … foreign investment, risk-free interest, derivatives, etc. are not as widespread as in Western economies. Design … risk-sharing based financial system does not necessarily protect the stock market from US uncertainty shock. However, the …
Persistent link: https://www.econbiz.de/10012894253
Using a novel set of instrumental variables in a structural VAR framework, we investigate the economic impact of uncertainty shocks stemming from geopolitical swings in South Korea. We construct robust instrumental variables for examining the variations in uncertainty due to geopolitical swings...
Persistent link: https://www.econbiz.de/10012898238
With model uncertainty characterized by a convex, possibly non-dominated set of probability measures, the investor minimizes the cost of hedging a path dependent contingent claim with given expected success ratio, in a discrete-time, semi-static market of stocks and options. Based on duality...
Persistent link: https://www.econbiz.de/10012972859
for overly attractive reward-to-risk ratios are excluded, by restricting instantaneous Sharpe ratios for any market …
Persistent link: https://www.econbiz.de/10012934249