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This collection includes handwritten notes titled "Slow Adjustment Limit Cycle: Koyck lag Accum Function" (2/17/88), handwritten notes titled "Slow Adjust with Koyck lag Accum. Function" (2/16/88), handwritten notes on function analysis, handwritten notes titled "Slow Ady: Classical Accum." (2/18/88), handwritten notes titled "Accum. Function derived from Koyck lags" (2/12/88), handwritten notes on model stability (2/21/88), additional handwritten stability notes, handwritten notes titled "LIMIT CYCLE for Harrod is van model, Slow Adjustment: Expectational Form" (2/19/88), handwritten notes titled "Slow Adj: Expectational form" (2/19/88), further handwritten equations, handwritten notes citing Nemitzky Theorem from Gandolfo (1980, p. 446) on stability, handwritten notes titled "Harrodian Ceiling / Floor Model" (2/8/88), handwritten analysis of an accumulation function, a printout for model file harrodl1 titled "STRUCTURE OF MODEL" (1/25/1988), a handwritten diagram titled "KK Finance,” handwritten notes titled "A Version of Keynesian S & R Adjustment as D_e" (5/3/88), handwritten notes titled "Cereal. Cap & D part" (6/8/88), handwritten notes titled "Post Keynesian System, Effective DD System" (4/21/86), a printout from "Tutsim File = MXHARD 1 - Model 1 (m=m)" (7/18/88), handwritten notes titled "Rest Slow Adjustment: Limit Cycle with m = m(u)" (2/18/88), handwritten notes titled "Slow Adj: Limit Cycle (m=m(u))" (2/16/88), handwritten notes titled "Slow Adjustment: Limit Cycle with m=m(u)" (2/16/88), handwritten notes titled "Slow Adjustment: Limit Cycle" on variable markup (2/16/88), handwritten notes titled "Slow Ady Limit Cycle" analyzing stability (2/16/88), a graph titled "lrlim1 (h=?) uo=.5,.95" showing a stable limit cycle (2/16/88), a printout for model file lrlim1 (1/27/1988), handwritten stability analysis notes (3/10/88), handwritten notes titled "Three Models,” handwritten notes titled "Two forms, Levy2,” handwritten notes titled "Harrod 87: Note on Alternate Forms" (11/3/87), graphs titled "lrlim1 (h=1) WITH NOISE" and "LRLIM1 WITH NOISE (T=250...500),” a graph titled "lrlim1 (h=1) WITH NOISE (t=1000),” graphs titled "LRLIM1 WITH NOISE (T=750...1000),” a printout for model file lrlim1 with noise (1/27/1988), a printout for model file lrlim2 with noise (1/27/1988), handwritten notes titled "Slow Ady. with variable Unit Costs" (2/23/88), handwritten notes titled "Harrod Paper: Wandering" (7/7/88), additional handwritten equations, handwritten notes titled "Harrod / Marx: Wandering /" (7/7/88), handwritten notes titled "Slow Adjust Marxian Limit Cycle (Theory)" (2/21/88), handwritten notes titled "II Stability,” handwritten stability notes (2/23/88), handwritten notes on system and ellipse properties, further handwritten notes on system properties, handwritten notes titled "Slow Ady with Variable Unit Costs II Math of Stability" (2/23/88), TUTSIM graphs titled "LRLIM2" (2/29/88), handwritten notes analyzing system behavior and stability using phase diagrams and derivatives (2/12/88), handwritten notes continuing the analysis (2/12/88), handwritten notes on defining rays and circles in the phase plane (3/12/88), handwritten notes analyzing phase diagrams with ellipses, titled "look at regions outside of phase moves?" (3/10/88), handwritten notes analyzing trajectories intersecting circles (2/29/88), handwritten notes with Jacobian and divergence calculations, handwritten notes on limits and vector fields (3/19/88), handwritten notes analyzing derivatives du/dgk, handwritten notes analyzing derivatives in polar coordinates (3/8/88), handwritten notes continuing polar coordinate analysis, handwritten notes titled "TRY TO FIND AN EMBEDDED KNOWN LIMIT CYCLE,” handwritten notes continuing the limit cycle analysis (3/4/88), handwritten notes titled "Limit Cycle Proof (LRLIM2)" (3/6/88), handwritten notes analyzing trajectories relative to ellipses, handwritten notes with coordinate transformations (3/4/88), handwritten notes deriving a second-order differential equation (3/4/88), handwritten notes exploring integration solutions, handwritten notes discussing orthogonal trajectories, handwritten notes exploring conditions for exact differentials, handwritten notes exploring integrating factors with a yellow sticky note attached, handwritten notes exploring integrating factors (duplicate), handwritten notes continuing the search for integrating factors, handwritten notes analyzing trajectories intersecting circles, handwritten notes exploring specific solution forms y=H(x,y), handwritten notes exploring solution forms y=G(x)-yJ(x), handwritten notes exploring solution forms x^2 = (1/h)H(x,y), handwritten notes exploring Laplace Transforms, handwritten notes exploring coordinate transformations w=yz, handwritten notes exploring transformations involving x = (p^2-x^2)(1+x), handwritten notes analyzing limits of derivatives (3/3/88), handwritten notes analyzing trajectories intersecting circles, handwritten notes analyzing trajectories intersecting ellipses (3/3/88), handwritten notes titled "LRLIM2" (2/29/88), handwritten notes analyzing system behavior on the x-axis, handwritten notes continuing axis analysis and transformations, handwritten notes deriving second derivatives, handwritten notes deriving a condition for a closed orbit, handwritten notes relating system derivatives to curves, handwritten notes analyzing limit cycles and ellipses (2/22/88), handwritten notes relating limit sets and differential equations, handwritten notes analyzing a general ellipse and its relation to the system, handwritten notes sketching an ellipse centered on u=1, handwritten notes with graphs and interpolation methods, handwritten notes listing hypotheses about stock market indices and dynamic systems, handwritten notes exploring conditions for integrability, handwritten notes exploring limit cycles and ellipses (2/26/88), handwritten notes deriving derivatives of functions f(x) and g(x), handwritten notes deriving a condition for a limit cycle using the trace of the Jacobian, handwritten notes continuing the limit cycle condition derivation, and handwritten notes exploring a circle of radius p and its relation to the system.

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