AP Human Geography 2016-02-28 Chapter 9 Development I. Key Issue 1: Why Does Development Vary among Countries? A. Economic Indicators of Development ? Gross domestic product per capita is the economic indicator included in the HDI calculation. Four other economic indicators are especially useful in distinguishing between more developed and less developed countries?economic structure, worker productivity, access to raw materials, and availability of consumer goods. 1. Types of Jobs ? In addition to GDP per capita, three other economic indicators are especially useful in distinguishing between MDCs and LDCs: types of jobs, worker productivity, and availability of consumer goods. ?