Table 4

Differences between means

VariablesPerfect CompetitionMonopolistic CompetitionOligopoly
DifferenceaStd deviationDifferenceaStd deviationDifferenceaStd deviation
CP0.926***0.745−0.287***0.4490.880***0.472
Capex1.734***1.4252.447***1.0811.531***1.274
R&D1.763***1.4192.304***1.1422.200***1.768

Note(s): *** significant at 5.00%

a –Difference = calculated mean minus original mean

Source(s): Table by authors based on data processing results

or Create an Account

Close subscription notice
Close access options