journal of the flagstaff institute volume xxviii number 1 june 2004 contents title author page 25th birthday greetings to wepza richard l bolin using trade preferences promote epz development robert haywood 3 http www heritage org simple average most favored nation tariff rate from wto world report 2003 import duties over total imports bank indicators table measures corporate income taxation low countries statutory tax 2001 effective us manufacturing affiliates 1996 gap minus revenue current china 30 08 25 064 columbia 35 24 11 325 ecuador 13 12 414 egypt 40 21 172 el salvador 16 09 133 guatemala 31 05 117 honduras 15 27 na india 29 149 indonesia 00 229 jamaica 33 056 kenya morocco 34 01 092 nigeria 28 03 pakistan 45 192 sri lanka 20 zambia 37 02 090 zimbabwe 10 118 country does not separately individual sources