Analysis of long-term prices of micronutrient-dense and starchy staple foods in developing countries

Agricultural and Food Economics

Table 6 Average monthly price percentage change by food group

Country	Starchy staples	Micronutrient-dense	Difference	Population-weighted average	Country	Starchy staples	Micronutrient-dense	Difference	Population-weighted average
Azerbaijan	0.264	0.090	− 0.173	− 0.0010	Kenya	0.123	0.269	0.146	0.0042
Botswana	− 0.058	0.080	0.138*	0.0002	Kyrgyzstan	0.071	0.129	0.058***	0.0002
Burundi	0.619	1.155	0.536	0.0033	Mauritania	0.004	0.050	0.046	0.0001
Cameroon	0.075	0.291	0.216	0.0030	Mongolia	0.180	0.419	0.239	0.0004
Costa Rica	0.351	0.072	− 0.279	− 0.0008	Nicaragua	0.110	0.374	0.264	0.0010
Dominican Republic	− 0.082	0.075	0.157	0.0009	Peru	0.025	0.014	− 0.011	− 0.0002
El Salvador	0.301	0.364	0.064	0.0002	Philippians	0.037	0.016	− 0.021	− 0.0013
Georgia	0.079	0.112	0.033	0.0001	Samoa	0.136	− 0.147	− 0.283	0.0000
Haiti	0.139	0.188	0.048	0.0003	South Africa	0.110	0.072	− 0.038	− 0.0012
India	0.018	0.027	0.045	0.0340	Tajikistan	0.914	0.519	− 0.395**	− 0.0020
Kazakhstan	0.132	0.228	0.095	0.0010	Tunisia	− 0.166	0.186	0.352**	0.0023
International	0.277	0.287	0.009		Uganda	1.015	0.580	− 0.435	− 0.0104

The difference is between micronutrient-dense food and starchy staple food. We tested the significance of the difference in average monthly growth using the Wilcoxon–Mann–Whitney nonparametric as the price increases are not normally distributed. ***p < 0.01, **p < 0.05, *p < 0.1