Let us take a look at this very simple graph: a scattered diagram showing unemployment and inflation for these three jurisdictions. The horizontal axis is unemployment rate, and the vertical one is inflation rate. There are two approaches regarding how to interpret this graph. One approach is to focus on where each cluster of dots is located.
"Transportation Costs and Trade over Time," in David Hummels, Anthony Venables, Harry Broadman, and John S. Wilson, rapporteurs, Transport and International Trade: Round Table 130. Organisation for Economic Co-operation and Development and European Conference of Ministers of Transport. Paris: OECD. Institute of International Education (2006). "New Enrollment of Foreign Students in the U.S. Climbs in 2005/06," press release, November 13, http://opendoors.iienetwork.org/?p=89251.