Do misalignments predict aggregated stock-market volatility?

This paper considers forecasting regressions of “realized volatility” on a misalignment measure. Results show that this misalignment measure is useful to predict in and out-of-sample stock-market volatility at monthly horizons. The analysis also suggests a threshold effect.     

Testing for Granger non-causality in heterogeneous panels

This paper proposes a very simple test of Granger (1969) non-causality for heterogeneous panel data models. Our test statistic is based on the individual Wald statistics of Granger non causality averaged across the cross-section units. First, this statistic is shown to converge sequentially to a standard normal distribution. Second, the semi-asymptotic distribution of the average statistic is characterized for a fixed T sample. A standardized statistic based on an approximation of the moments of Wald statistics is hence proposed. Third, Monte Carlo experiments show that our standardized panel statistics have very good small sample properties, even in the presence of cross-sectional dependence.     

Multilateral Agricultural Trade Liberalisation: The Contrasting Fortunes of Developing Countries in the Doha Round

An applied general equilibrium model is used to assess the impact of multilateral trade liberalisation in agriculture, with particular emphasis on developing countries. We use original data, and the model includes some specific features such as a dual labour market. Applied tariffs, including those under preferential regimes and regional agreements, are taken into account at the detailed product level, together with the corresponding bound tariffs on which countries negotiate. The various types of farm support are detailed, and several groups of developing countries are distinguished. Simulations give a contrasted picture of the benefits developing countries would draw from the Doha development round. The results suggest that previous studies have neglected preferential agreements and the binding overhang (in tariffs as well as domestic support), and have treated developing countries with a high level of aggregation and been excessively optimistic about the actual benefits of multilateral trade liberalisation. Regions like sub‐Saharan Africa are more likely to suffer from the erosion of existing preferences. The main gainers of the Doha Round are likely to be developed countries and Cairns Group members.     

How common are common return factors across the NYSE and Nasdaq?

We entertain the possibility of pervasive factors that are not common across two (or more) groups of securities. We propose and implement a general procedure to estimate the space spanned by common and group-specific pervasive factors. In our empirical analysis, we study the factor structure of excess returns on stocks traded on the NYSE and Nasdaq using our methodology. We find that there are only two common pervasive factors that govern the returns for both NYSE and Nasdaq. At the same time, the NYSE and Nasdaq each have one more group-specific factor that is not the same across the two exchanges. Our results point to the absence of complete similarity between the factors driving the returns on these exchanges.     

Education and earnings in urban West Africa

Using a series of comparable labor force surveys in urban West Africa, we estimate the private returns to education among representative samples of workers in seven economic capitals (Abidjan, Bamako, Cotonou, Dakar, Lome, Niamey and Ouagadougou). The data allow us to provide a unique cross-country comparison using rigorously the same variables and methodology for each country. We tackle the issues of endogenous sector allocation (public, formal private and informal sectors) and endogeneity of the education variable in the earnings functions. We find that the returns to schooling are most often enhanced once an endogenous education variable is accounted for. This effect holds particularly true in the informal sector. In most West African cities of our sample, the public sector gives more value to education, followed by the formal private sector and then the informal sector. We also shed light on convex returns to education in all the cities and sectors, including in informal activity. More generally, a major contribution of this paper is to provide evidence of significant effects of education on individual earnings in the informal sectors of the West African cities, even at high levels of schooling.     

The Feldstein–Horioka puzzle in South Africa: A fractional cointegration approach

The Feldstein–Horioka (FH) puzzle, that is the strong correlation between saving and investment in a world where obstacles to capital mobility are limited, has been studied extensively since it was exposed in 1980. Even though the theoretical and empirical literature has examined many of its potential causes, the puzzle persists. This paper aims at shedding further light on the issue by investigating the relationship between saving and investment in South Africa since 1946 using fractional integration and cointegration techniques to account for high persistence in the series. We find evidence of fractional cointegration between saving and investment, indicating some degree of persistence in the gap between the two variables. We also find a structural break in saving and investment ratios to GDP around 1980, which roughly coincides with the start of a financial deregulation process in South Africa. While fractional cointegration holds before the break, it does not thereafter. In other words, while the FH puzzle is observed before the start of financial deregulation, it subsequently disappears. This suggests that financial deregulation may have loosened the link between saving and investment.     

Are the effects of fiscal policy really nonlinear? A note

Based on a panel data model, Giavazzi, Jappelli and Pagano (2000, European Economic Review 44, 1259–1289) recently found evidence that national saving in OECD countries responds nonlinearly to fiscal policy, the nonlinearity being associated with the size and persistence of the fiscal impulse. The existence of this nonlinearity would have important policy implications because it implies that the short-run costs of a fiscal consolidation program are lower the larger and more persistent it is. However, this paper shows that their finding is not robust, one reason being the inadequacy of the slope homogeneity assumption implicit in their panel model and another reason being their reliance on an implausibly large number of episodes of large and persistent fiscal impulses.     

THE REDISTRIBUTIVE IMPACT OF ALTERNATIVE INCOME MAINTENANCE SCHEMES: A MICROSIMULATION STUDY USING SWISS DATA

Taking a benchmark scenario, the current situation in Switzerland, and using a microsimulation technique, we compare the effectiveness of various income maintenance schemes for reducing inequality and poverty. A full negative income tax allowance designed to eliminate poverty is shown to reduce income inequality most drastically. An integrated federal linear tax rate of 62 percent is required to make it viable. Aggregate work hours are reduced by approximately 10 percent and average disposable income falls by 9.3 percent under such circumstances. A participation income restricted to adults in employment and covering 50 percent of subsistence costs is however shown to result in an unambiguous social welfare improvement over the current situation in Switzerland.     

„Entscheidend ist am Ende,wie zufrieden der Bund als Kunde ist!“

Praxis / Artikel

„Entscheidend ist am Ende, wie zufrieden der Bund als Kunde ist!“ Interview mit Dr. Carsten Lehr, Leiter des Bereichs Finanzen, Controlling & Administration der Bundesrepublik Deutschland — Finanzagentur GmbH