Ext represents mango exports (in th

Ext
represents mango exports (in thousand tonnes), Rpt
is the index of
relative prices of mango exports (1999/2000 = 100), Pt
represents domestic
mango production (in thousand tonnes), Gt
is real agricultural GDP
measured at a constant factor cost of 1999–2000 (in million rupees), Rdt
represents the length of all-weather roads (in thousand kilometers) as a
proxy variable for infrastructure, DS is a dummy variable used to capture
the effect of international standardization, and t
is a stochastic error term.