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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
Model-selection uncertainty corresponds to the uncertainty about the true lag order of the autoregressive process that should be picked. This paper shows that all model-selection criteria perform poorly in small samples. Model-selection uncertainty adds to the bias and variability in the...
Persistent link: https://www.econbiz.de/10014178863
the sample analog of an infeasible optimal weight. We establish asymptotic theory on uniform approximation of the upper …
Persistent link: https://www.econbiz.de/10012049321
It is well-known that outliers exist in the type of multivariate data used by financial practitioners for portfolio construction and risk management. Typically, outliers are addressed prior to model fitting by applying some combination of trimming and/or Winsorization to each individual...
Persistent link: https://www.econbiz.de/10012946531
autocorrelation and heteroskedasticity increases the evidence that idiosyncratic risk, which is captured by space-varying volatility …
Persistent link: https://www.econbiz.de/10012912950
Households face earnings risk which is non-normal and varies by age and over the income distribution. We show that allowing for these rich features of earnings dynamics, in the context of a structurally estimated life-cycle portfolio choice model, helps to rationalize the limited participation...
Persistent link: https://www.econbiz.de/10014278693
This paper is concerned with statistical inference and model evaluation in possibly misspecified and unidentified linear asset-pricing models estimated by maximum likelihood and one-step generalized method of moments. Strikingly, when spurious factors (that is, factors that are uncorrelated with...
Persistent link: https://www.econbiz.de/10011757568
Persistent link: https://www.econbiz.de/10011811851
Persistent link: https://www.econbiz.de/10001074068
We investigate the accuracy of ex ante assessments of vulnerability to poverty using cross-sectional data and panel … data. We use long-term panel data from Germany and apply different regression models, based on household covariates and … on cross-sectional data are much less accurate than those based on panel data, but for Germany, the accuracy of …
Persistent link: https://www.econbiz.de/10009671469