The closure is a collective punishment imposed on 2 million people violating Israel's obligations under the international law.
Despite the Israeli alleged easing measures, Gaza exports didn't exceed 2.2% compared to 2007. There is an acute shortage in materials needed for industry and reconstruction of thousands of homes destroyed in three brutal Israeli offensives since 2008.
The closure created a man-made catastrophe exacerbating civilians' suffering. According to the World Bank, unemployment increased to 43%, while 40% of Gaza population is below the poverty line. Gaza would be unlivable by 2020 according to UN.
There are potentials for economic growth, but closure and occupation are aggravating the humanitarian crisis and hindering development.