Abrenica, Ma. Joy; Danao, Rolando; Mendoza, Ma. Nimfa - In: Philippine Review of Economics 51 (2014) 2, pp. 1-20
Casual observation that domestic gasoline prices increase immediately and more than proportionately when global prices rise, while they tend to decrease slowly and less than proportionately when global prices decline, has fuelled speculation that the major oil industry players are engaging in...