Research Article

Analyzing the Investment Behavior in the Iranian Stock Exchange during the COVID-19 Pandemic Using Hybrid DEA and Data Mining Techniques

Table 10

Efficiency score 2020.

DMUCompanyEfficiency

DMU 1Sugar and candy1
DMU 2Other nonmetallic products1
DMU 3Tile1
DMU 7Medicinal investment1
DMU10Multi-industrial investment1
DMU19Chemical investment1
DMU20Car company0.92
DMU21Basic metals0.86
DMU23Bank0.72
DMU09Computer0.66
DMU11Extraction of minerals0.59
DMU14Drilling company0.54
DMU 8Manufacturing company0.53
DMU 6Food products except sugar0.52
DMU 5Investment0.48
DMU 4Cement and lime company0.44
DMU15Mediators0.42
DMU12Machinery0.25
DMU17Telecommunication0.23
DMU22Technical and engineering0.17
DMU13Mass, real estate0.15
DMU16Insurance company0.08
DMU18Transportation0.03