Among others Beckmann (1952) firstly introduced the concept of a two dimensional continuous space into economics. This great step had unfortunately not shown further expansion in economics. Through several papers related to Beckmann's initiation, Beckmann and Puu (1985) at last reached a...

Since decade 80`s, colonies of illegal settlements began rapidly increasing in many urban areas of cities in Indonesia. During the decade, urban population living in slum areas was recorded about 54% of total urban population particularly in mega cities of Indonesia. Nonetheless, that percentage...

Permana and Miyata (2009) showed a partial equilibrium urban economic model to explain the existence of illegal settlements in flood prone areas in Palangkaraya City in Central Kalimantan Province, introducing the expected damage rate on household asset. Applying this new idea, one can derive...

Part I: Environment: Theoretical Approach -- Chapter 1. Optimal Emission Technology for Non-point Source Pollution -- Chapter 2. Environmental Policy and Sustainable Growth of Firms in Curnot Oligopoly -- Chapter 3. Long-run Equilibrium in a Vertically Related Industry with Environmental...