would be wrong and (ii) how revenue and cost efficiencies contribute to profit efficiency. Using data from U.S. commercial ….5% is due to revenue inefficiency and 4.7% to cost inefficiency. Cost efficiency weighs more than revenue efficiency in … estimated profit efficiency. However, compared with cost inefficiency, revenue inefficiency affects more overall profitability …

The paper examines efficiency, productivity and scale economies in the U.S. property-liability insurance industry …. Productivity change is analyzed using Malmquist indices, and efficiency is estimated using data envelopment analysis (DEA). The … significant gains in total factor productivity, and there is an upward trend in scale and allocative efficiency. More diversified …

, for determining efficiency in the presence of radial and nonradial inputs or outputs. Further extension of the scheme … occurred to address nonseparable desirable and undesirable outputs. Applying the model to measure the overall efficiency of U … overall management and environmental efficiency between 1996 and 2000 …