Lerner Index in Banking Market for Sierra Leone

Observations

2013: 0.27945

Updated: Mar 23, 2022 4:28 PM CDT

Units:

Index,

Not Seasonally Adjusted

Frequency:

Annual

Notes

Title	Release Dates

Lerner Index in Banking Market for Sierra Leone	2012-09-24	2022-03-23

Source

World Bank	2012-09-24	2022-03-23

Release

Global Financial Development	2012-09-24	2022-03-23

Units

Index	2012-09-24	2022-03-23

Frequency

Annual	2012-09-24	2022-03-23

Seasonal Adjustment

Not Seasonally Adjusted	2012-09-24	2022-03-23

Notes

A measure of market power in the banking market. It compares output pricing and marginal costs (that is, markup). An increase in the Lerner index indicates a deterioration of the competitive conduct of financial intermediaries. A measure of market power in the banking market. It is defined as the difference between output prices and marginal costs (relative to prices). Prices are calculated as total bank revenue over assets, whereas marginal costs are obtained from an estimated translog cost function with respect to output. Higher values of the Lerner index indicate less bank competition. Lerner Index estimations follow the methodology described in Demirgüç-Kunt and Martínez Pería (2010). (Calculated from underlying bank-by-bank data from Bankscope) Source Code: GFDD.OI.04	2012-09-24	2022-03-23