With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: Sepsis rates have been going up.
text_B: John Barkley Rosser Jr. -LRB- born 12 April 1948 -RRB- is a mathematical economist and Professor of Economics at James Madison University in Harrisonburg , Virginia since 1988 .. Harrisonburg. Harrisonburg. Virginia. Virginia. Economics. Economics. James Madison University. James Madison University. He is known for work in nonlinear economic dynamics , including applications in economics of catastrophe theory , chaos theory , and complexity theory -LRB- complex dynamics , complexity economics -RRB- .. catastrophe theory. catastrophe theory. chaos theory. chaos theory. complexity theory. Complex systems. complexity economics. complexity economics. With Marina V. Rosser he invented the concept of the `` new traditional economy '' .. He introduced into economic discourse the concepts of chaotic bubbles , chaotic hysteresis -LRB- op .. chaotic hysteresis. chaotic hysteresis. cit. , p. 326 -RRB- , and econochemistry .. He also invented the concepts of the megacorpstate and hypercyclic morphogenesis .. megacorpstate. megacorpstate. hypercyclic morphogenesis. hypercyclic morphogenesis. He was the first to provide a mathematical model of the period of financial distress in a speculative bubble .. period of financial distress. period of financial distress. With Marina V. Rosser and Ehsan Ahmed , he was the first to argue for a two-way positive link between income inequality -LRB- economic inequality -RRB- and the size of an underground economy in a nation .. economic inequality. economic inequality. underground economy. underground economy. Rosser 's equation has been used to forecast ratios of future Social Security benefits to current ones in real terms .
not_related.