Abstract
West and East coast of Sumatra are two different geographical and trade routes. The West Coast is connected with trade direction to India, Arabia and Africa while on the East Coast it is connected with trade in the Malacca Strait, East Asian economy. Based on photos of satellite images at night, the east coast has more light compared to the west coast. This study analyzed the differences in economic inequality between the economy of the population residing in the West Coast Region and the East Coast of Sumatra. This study took data sourced from the Indonesian Central Statistics Agency published in the last 5 years, 2013-2017. The data were processed using SPSS and Excel using the Williamson Index analysis tool. There are 23 Regencies / Cities in the West Coast and 23 Regencies / Cities in the East Coast analyzed where the West Coast average growth rate in the last 5 years is 5.17% and East Coast 5.48% with the Inequality index using the Williamson Index formula in West Coast 0.37 and East Coast 0.28. It was found that economic activity on the East Coast tends to be more lively and higher economic growth with a low level of inequality compared to the West coast of Sumatra
Highlights
Corresponding author : INTRODUCTION Sumatera is one of Indonesia’s largest islands consisting of 10 provinces, namely Aceh, North Sumatera, West Riau, Jambi, Riau islands, Bengkulu, Bengkulu, Bangka Belitung islands, and Lampung
If there is a lot of economic activity in particular areas, it can be said that the areas have low economic inequality
These are in line with a study by ( Ebener, S., Murray, C., Tandon, A., & Elvidge, CC 2005) who confirmed national welfare and output based on data provided by NOAA's National Geophysical Data Center (NGDC) in the form of aerial photographs at night
Summary
Corresponding author : INTRODUCTION Sumatera is one of Indonesia’s largest islands consisting of 10 provinces, namely Aceh, North Sumatera, West Riau, Jambi, Riau islands, Bengkulu, Bengkulu, Bangka Belitung islands, and Lampung. Based on geographical and whose economic growth and contribution rank is economic aspects, the West and East coast in the top 2 after Java island. This island has regions of Sumatera have a greater opportunity various economic potential and is supported by to develop than those in Northern and Southern strategic geographical location that is in synergy of Sumatera. It is because the Western part of with Southeast Asian Economy, namely Sumatera is bordered by Indian ocean.
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