The objective of this study is to rank some factors as handicaps that create diversity and incertitude in international financial analysis. It is an important subject when discussing the adoption of International Accounting Standards as one unique set of standards in capital markets around the...

Purpose – The purpose of this study is to analyse the quality of disclosure on intangibles in presentations to analysts held by firms listed in the Spanish capital market. Given that quantification of the information provides a more precise and convincing message than qualitative disclosure,...

How are optimal taxes affected by the presence of superstar phenomena at the top of the earnings distribution? To answer this question, we extend the Mirrlees model to incorporate an assignment problem in the labor market that generates superstar effects. Perhaps surprisingly, rather than...

Die vorliegende Arbeit geht der Frage nach, unter welchen Bedingungen die Sozialversicherung in Gegenwart eines optimal gestalteten Steuersystems zu Umverteilungszwecken geeignet ist. Ausgangspunkt sind die Wohlfahrtseffekte der Sozialversicherung, wenn das Steuerinstrumentarium auf einen...

We show that the Diamond and Mirrlees (1971) linear tax model contains the Mirrlees (1971) nonlinear tax model as a special case. In this sense, the Mirrlees model is an application of Diamond-Mirrlees. We also derive the optimal tax formula in Mirrlees from the Diamond-Mirrlees formula. In the...

This paper evaluates proposals for an annual wealth tax. While a dozen OECD countries levied wealth taxes in the recent past, now only three retain them, with only Switzerland raising a comparable fraction of revenue as recent proposals for a US wealth tax. Studies of these taxes sometimes, but...

We develop a framework for optimal taxation when agents can earn their income both in traditional activities, where private and social products coincide, and in rent-seeking activities, where private returns exceed social returns either because they involve the capture of pre-existing rents or...

This paper studies optimal dynamic tax policy under the threat of political reform. A policy will be reformed ex post if a large enough political coalition supports reform; thus, sustainable policies are those that will continue to attract enough political support in the future. We find that...