1 nлɡδг а----------------------- 79-----------------------1drУг bearsbullsi iiδiiiδгЧ Σɡλβ Σж treasury bills аνд 涨ν----------------------- 80-----------------------λζ飺δЧУcausalnexusжβЧβδλνstate of bearishnessν----------------------- 81-----------------------Ρ----------------------- 82-----------------------жúúνЪУЧ Sir Alfred Flux95 Taussig2029WalrasI.IIIУδмμ νbullbear δг ггйδ С УΡ----------------------- 83-----------------------òЩΨòУоУδá----------------------- 84-----------------------Уr1 1 2 2 11 2 3YYYУYΨ2 3 1XXrXX1 1 1 11 2Y22 2 2 22 2YY2 1 νЩк棬еYX 2κ F.H.Knight á1934 8 ζЪ Bohm-г----------------------- 85-----------------------naturalneutralЧδЧЪ·ЧЧЧεε财 R.F.Harrod ù193412 652 ----------------------- 86-----------------------ЪЪ棩534593гг гСгг 53470000000003塣 Ъáááá