First term	Second term
efficient frontier	frontier	0.6846
efficient frontier	markowitz	0.3675
efficient frontier	portfolio theory	0.2481
efficient frontier	mean variance optimization	0.2133
efficient frontier	efficient	0.2119
efficient frontier	variance	0.1964
efficient frontier	modern portfolio theory	0.1818
efficient frontier	optimization	0.1753
efficient frontier	standard deviation	0.1685
efficient frontier	asset allocation	0.1667
efficient frontier	harry markowitz	0.1505
efficient frontier	deviation	0.1429
efficient frontier	covariance	0.1374
efficient frontier	covariance matrix	0.1304
efficient frontier	allocation	0.1300
efficient frontier	global asset allocation	0.1294
efficient frontier	expected return	0.1286
efficient frontier	mean	0.1194
efficient frontier	optimizer	0.1183