Enrico Mattei

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This paper re-examines the issue of asymmetries in the transmission of shocks to crude oil prices onto the retail price of gasoline. Relative to the previous literature, the distinguishing features of the present paper are: i) use of updated and comparable data to carry out an international comparison of gasoline markets; ii) two-stage modeling of the(More)
We investigate the relationship between diversity and productivity in Europe using an original dataset covering the NUTS 3 regions of 12 countries of the EU15 (Austria, Belgium, Denmark, France, former Western Germany, Ireland, Italy, the Netherlands, Portugal, Spain, Sweden and the United Kingdom). In so doing, we follow the empirical methodology developed(More)
Recent international evidence highlights the importance of family-owned firms: 45 percent of publicly listed international firms are family owned (Rafael La Porta, Florencio Lopez-deSilanes, and Andrei Shleifer 1999), and even in the United States, the presence of family firms is significant, numbering almost one third of S&P 500 firms and 37 percent of the(More)
This review summarizes all the research efforts in the last decade (1994-2003) that have been spent to the various application of immobilized enzyme reactor (IMER) in on-line high performance liquid chromatography (HPLC). All immobilization procedures including supports, kind of assembly into chromatographic system and methods are described. The effect of(More)
The achievement of positive environmental performance at national level could strongly depend on differences in local capabilities of both institutions and the private business sector. Environmental regulation alone is a weak instrument if the institutional and business environment cannot transform regulation strengths into opportunities. In this paper, we(More)
We study residential demand for electricity and gas, working with nationwide household-level data that cover recent years, namely 1997-2007. Our dataset is a mixed panel/multi-year crosssections of dwellings/households in the 50 largest metropolitan areas in the United States as of 2008. To our knowledge, this is the most comprehensive set of data for(More)
We exploit a panel dataset of Hungarian rms merged with product-level trade data for the period 1992-2003 to investigate the relation between rms' trading activities (importing, exporting or both) and productivity. We nd important self-selection e ects of the most productive rms induced by the existence of heterogeneous sunk costs of trade, for both(More)