Title page

Contents

Abstract 3

1. Introduction 4

2. Top Wealth Data 5

3. Market Concentration Data 8

4. Top Wealth Holders and Market Concentration 10

5. Conclusion 13

References 15

Table 1. Most Common Industries for Top Wealth Holders 10

Table 2. How concentrated are the industries where top wealth holders made their fortunes? 11

Figure 1. Top wealth shares 7

Figure 2. Distribution of market share across the economy and top wealth holders 13