Some firms comprehend the enormous potential that exists for providing services to the growing low income segment. Operating in the low-income market has numerous complications, such as designing an efficient distribution and servicing system, offering simple and “easy to consume” products,...

Background Life events?like illness, marriage, or unemployment?have important effects on people. But there is no accepted way to measure the different sizes of these events upon human happiness and psychological health. By using happiness regression equations, economists have recently developed...