higher incomes higher increase higher index higher inflation higher initial higher institute higher institutions higher insurance higher intake higher intelligence higher intensity higher interest higher interest rate higher interest rates higher international higher investment higher is required higher it higher job higher judicial higher knowledge higher labour higher latitudes higher law higher layer higher layers higher league higher learning higher level higher level of consciousness higher level of education higher level of security higher level of service higher levels higher levels of education higher life higher life expectancy higher life forms higher light higher likelihood higher limit higher limits higher literacy higher living higher load higher long-term higher love higher magnetic higher magnification higher management higher margin higher margins higher market higher mass higher mathematics higher maximum higher meaning higher mechanical higher medical higher melting higher melting point higher mental higher metabolic higher metabolism higher military higher mind higher minimum higher minimum wage higher molecular higher molecular weight higher molecular weights higher moral higher mortality higher mortality rate higher mortality rates higher national higher nature higher net higher number higher numbers higher nutritional higher octane higher octave higher office higher officials higher oil higher oil prices higher one higher open higher operating higher or lower higher or lower than higher orbit higher order higher orders higher organisms higher output higher overall higher oxygen