Mit dieser Studie wird die Liste forschungsintensiver Industrien - die sogenannte "Hochtechnologie-Liste" - auf Basis der aktuellen Klassifikation der Wirtschaftszweige (WZ 2008) in aktualisierter Form vorgelegt. Die neue "ISI/ZEW/SV-Liste" deckt, in tief gegliederter Ebene, sowohl den...

This paper documents the industry classification variables in the anonymized tax microdata available for research at the National Treasury Secure Data Facility in Pretoria. It discusses how the variables in the data are related to the raw records captured in various tax forms and outlines the...

This paper documents the industry classification variables in the anonymized tax microdata available for research at the National Treasury Secure Data Facility in Pretoria. It discusses how the variables in the data are related to the raw records captured in various tax forms and outlines the...

This paper uses data from the National Science Foundation’s surveys on business research and development (R&D) expenditures that have been linked with data from the Census Bureau’s Longitudinal Business Database to produce consistent NAICS-based R&D time-series data based on the main product...

The purpose of this research is to know and to analyze the factors that influence audit delay. There are profitability, solvency, firm size, reputation of audit firm and industry classification predicted partially or simultaneously influence toward audit delay in mining and bank’s firm which...

The co-movement of stocks and of fundamentals changes across the business cycle. Empirical studies have shown that the correlation of stock returns is stronger in crisis. We show that the correlation of fundamentals is the highest during crisis using a large sample of quarterly firm revenues...

This paper presents an integrated set of innovation taxonomies for firms and sectors. It discards the practice of representing industries by some average behaviour, instead characterising them by the distribution of diverse innovation modes at the firm level. The theoretical focus is on (i)...

This paper provides and describes concordances between the ten-digit Harmonized System (HS) categories used to classify products in U.S. international trade and the four-digit SIC and six-digit NAICS industries that cover the years 1989 to 2006. We also provide concordances between ten- digit HS...

Standard sector classification frameworks present drawbacks that might hinder portfolio manager. This paper introduces a new non-parametric approach to equity classification. Returns are decomposed into their fundamental drivers through Independent Component Analysis (ICA). Stocks are then...