Suppose the rural wage is $1 per day and the urban modern wage is $3 per day. If the migrant anticipates a probability of 0.25 of finding a modern employment in the initial period but expects this probability to increase over time to 0.5. Let the discount factor be 0.7. we consider the decision-making under the assumption of two-period time horizon, the rural wage is and the urban expected wage is and so it's rational to migrate not to migrate 2.25 1.8 1.95 1.7