Maxwell Stamp Limited provided consultancy services as follow (i) contributed. to regional policy dialogue on economic costs and benefits of unilateral and regional actions on climate change adaptation, (ii) reviewed climate policies and measures at the country and regional levels, (iii) identified policy gaps and constraints in implementing appropriate adaptation measures, (iv) conducted economic assessment of the costs and benefits of unilateral and regional adaptation actions, and (v) suggested adaptation measures based on low-carbon strategies in participating countries. Maxwell Stamp Limited was also developed a climate policy simulation tool (CPST) that was created key economic indicators to show the economic consequences of different packages of climate policies and to conducted quantitative and qualitative assessment of different climate policy packages. This tool would help policy makers to select concrete and appropriate economic policies that would adapt and respond to different climate policy scenarios for each participating country.