P. E. Hart

• Concentration in British industry, 1935-75
• Econometric analysis for national economic planning
• Industrial concentration and economic inequality
• Mergers and concentration in British industry
• Studies in profit, business saving, and investment in the United Kingdom, 1920-1962
• Unemployment and labour market policies
• Youth unemployment in Great Britain
• Population densities and optimal aircraft flight paths
• Structural unemployment in the UK