Table 2. Benefits and costs of GE crops considered.

Crop	Banana	Cowpea	Corn
Country	Uganda[6]	Benin, Niger, Nigeria[27]	Kenya[7]
Traits	disease resistance (black sigatoka, bacterial wilt)	pest resistance (maruca pod borer)	pest resistance (stem borers)
Benefits	reduced damage loss, better quality	reduced damage loss, less mycotoxins	reduced damage loss, less mycotoxins,
Δ Yield/ha	2.0t (20%)	12.5%	0.06–0.3t
Δ Rev/ha	280–450 USD		10–55 USD
Δ PS/a	280–360 Mio. USD	-61–186 Mio. USD	2.0–16.1 Mio. USD
Δ CS/a		-31–77 Mio. USD	4.0–32.2 Mio. USD
Δ TS/a	280–360 Mio. USD	90–154 Mio. USD	6.0–48.3 Mio. USD
K-Shift	0.16 (19.8%)	0.10 (12.5%)	0.11 (13.4%)

Note: results derived from the studies mentioned for each country in the superscript.