First, there is a flat-rate benefit (column 2) for low- and middle-income households.
For middle-income professionals with secure, well-paid professions, it is a way to generate extra income for fun and adventure.
In middle-income countries, the latter dominates the former.
The air and water pollution effects of changing scale of processing and distribution remain poorly understood today in low- and middle-income countries.
There follow three case studies of middle-income developing countries.
Accordingly, the city was divided into four geographical zones, and households in three income groups of high-income, middle-income, and low-income were sampled.
The low- and middle-income children were similar on race, x 2 3!
These were not minor considerations, especially for serfs in the lowerand middle-income brackets.
