η= 1.5 η I = 1.2 η xy1 = 0.5 η xy2 = -0.5 η is the price elasticity of dema

[answerhappygod]

η=
1.5
η I =
1.2
η xy1 =
0.5
η xy2 = -0.5
η is the price
elasticity of demand for Papa John’s (PJ) cheese pizza, ηxy1 is the
cross elasticity of demand between PJ cheese pizza and Pizza Hut’s
(PH) cheese pizza, ηxy2 is the cross elasticity of demand between
PJ cheese pizza and PJ breadsticks, and η I is the income
elasticity of PJ cheese pizza.