The 2014 Indian general election marked a single party – the Bharatiya Janata Party, winning a majority of seats in Lok Sabha, the first time since the 1984 election. The Congress, the other main national party, suffered its worst ever defeat. This election was termed by some as a 'critical election' signalling the advent of a new phase of a ‘BJP dominated’ party system in India. In this paper,...

The 2014 Indian general election marked a single party – the Bharatiya Janata Party, winning a majority of seats in Lok Sabha, the first time since the 1984 election. The Congress, the other main national party, suffered its worst ever defeat. This election was termed by some as a 'critical election' signalling the advent of a new phase of a ‘BJP dominated’ party system in India. In this paper,...

appropriate scheduling and sequencing of tasks on machines is one of the basic and significant problems that a shop or a factory manager encounters; this is why in recent decades extensive studies have been done on scheduling issues. one type of scheduling problems is just-in-time (jit) scheduling and in this area, motivated by jit manufacturing, this study investigates a mathematical model for...

In this paper a single machine scheduling problem to minimize tardy jobs is considered. To increase the reality of the problem, deterioration and learning effect is added to. Beside, according to Inherent uncertainty in processing times, they are considered to be normally distributed. To find an appropriate solution, four existing models are extended and the results are compared to validate them.

Does Mental Productivity Decline with Age? Evidence from Chess Players We use data on international chess tournaments to study the relationship between age and mental productivity in a brain-intensive profession. We show that less talented players tend to leave the game in the earliest phases of their career. When the effects of age on productivity vary with unobserved ability, commonly used fi...