Explaining the phenomenon of the growth of government expenditure has always been a wide field in the science of Public Finance. The aim of those theories is not only to explain government growth but also to find solutions in order to distribute public expenses more efficiently and to derive the “optimal” size of the government, finally. Before using these models and theories as a tool and vehicle one has to ask whether those theories are applicable in reality at all, because each theory has shortcomings and deficits which might lead to incorrect results and wrong decisions. The purpose of this paper is to reveal and discuss the most important criticism and to show that there does not exist a perfect theory which might explain government growth.
Table of Contents
1 Introduction
1.1 Topic and purpose of the paper
1.2 Structure
2 Economic models and theories
2.1 General criticism of economic models and theories
2.2 Characteristics of a “good” theory
3 Criticism of theories explaining government expenditure growth
3.1 Wagner’s “law”
3.2 Musgrave’s hypotheses
3.3 Peacock and Wiseman’s displacement effect
3.4 Meltzer and Richard’s median voter hypothesis
3.5 Baumol’s model of unbalanced growth
3.6 Brown and Jackson’s microeconomic model
3.7 The role of bureaucrats and interest groups
4 Summary and Conclusion
Objectives and Topics
The primary objective of this paper is to conduct a critical appraisal of various economic theories that attempt to explain the phenomenon of government expenditure growth. The study aims to reveal the limitations and deficits of established models, demonstrating that there is no perfect theory, and emphasizes the need for a holistic approach when analyzing public fiscal behavior.
- Critical analysis of major government growth theories.
- Evaluation of the applicability of economic models in real-world scenarios.
- Examination of Wagner’s Law, Musgrave’s hypotheses, and Peacock-Wiseman’s displacement effect.
- Assessment of the role of median voters, bureaucrats, and interest groups in expenditure growth.
- Discussion of the challenges in developing a comprehensive theory of public fiscal behavior.
Excerpt from the Book
3.1 Wagner’s “law”
Wagner’s law, which states an existing relationship between the growth of an industrializing economy and the simultaneous faster growth of the public sector and the government (Herber 1979: 294), was the first theory empirically tested (Bird 1971: 1). It is of fundamental importance and represents the basis for many government growth theories (Gemmell 1993: 103). However, several critiques and comments on this theory have been expressed in the past:
Firstly, due to the fact that the theory was developed in Germany at the end of the 19th century, it only is applicable in economies similar to Germany where rising income was observed as a result of industrialisation. The underlying conditions such as rising per capita income, technological and institutional change and democratization (Bird 1971: 3) therefore limit the possibility of testing the law empirically (Gemmell 1993: 110). Besides, the German origin of this theory and the resulting limited access for non-German speaking economists often contributed to misunderstandings and difficulties for scientists applying this law (Gemmell 1993: 108).
Secondly, instead of providing a positive theory, the “law” only includes Wagner’s own, subjective and normative assumptions: Wagner reveals his opinion on what ought to happen to an economy when it is industrialized (Seeber & Dockel 1978: 341). Consequently, although Wagner claims his “law” being a positive theory, he implicitly employs a normative approach using simple statements which weakens the arguments of his theory if analysed critically (Bird 1971: 3).
Summary of Chapters
1 Introduction: Introduces the topic of government expenditure growth and outlines the purpose of the paper to discuss the limitations of existing explanatory theories.
2 Economic models and theories: Discusses the general challenges of simplifying reality through economic modeling and defines the requirements for a consistent and realistic theory.
3 Criticism of theories explaining government expenditure growth: Provides a detailed critical review of specific theories, including Wagner's Law, Musgrave's hypotheses, the displacement effect, the median voter hypothesis, and the role of bureaucrats.
4 Summary and Conclusion: Synthesizes the findings, noting that no single perfect theory exists and advocating for a combination of approaches to understand complex fiscal behavior.
Keywords
Government expenditure, Public Finance, Economic models, Wagner’s Law, Musgrave’s hypotheses, Displacement effect, Median voter hypothesis, Public sector growth, Fiscal policy, Bureaucracy, Industrialization, Redistributional policies.
Frequently Asked Questions
What is the fundamental focus of this paper?
The paper focuses on evaluating and critiquing established economic theories that attempt to explain why government expenditures grow over time.
What are the central thematic areas covered?
The core themes include the limitations of economic modeling, the structural changes during economic development, political influences on spending, and the roles of bureaucracy and interest groups.
What is the primary goal of the author?
The goal is to show that individual theories are often incomplete and that one must look beyond single models to truly understand the complex drivers of public expenditure.
Which scientific approach is utilized?
The author employs a qualitative and critical appraisal method, synthesizing empirical literature and theoretical discourse to expose the shortcomings of various economic models.
What is analyzed in the main body of the work?
The main body examines six distinct theories, including Wagner’s Law, Musgrave’s stages-of-development, the Peacock-Wiseman displacement effect, the Meltzer-Richard median voter model, Baumol’s unbalanced growth, and the Brown-Jackson integrative approach.
Which keywords best characterize the paper?
The paper is best characterized by keywords like government expenditure, fiscal policy, public sector, economic modeling, and critical theory.
Why does the author argue that Wagner’s "Law" is normatively biased?
The author argues that Wagner’s Law relies on subjective assumptions regarding what "ought" to happen during industrialization, rather than being a purely positive, empirical observation.
What is the main limitation of the median voter hypothesis as discussed in the text?
The text highlights that the hypothesis relies on restrictive assumptions like direct voting and perfectly informed voters, which do not reflect the reality of modern representative democracies.
- Quote paper
- Eckhard Scharmer (Author), 2002, A critical appraisal of the theories of government expenditure growth, Munich, GRIN Verlag, https://www.grin.com/document/16172