Macroeconomics

‭through‬ ‭which‬ ‭these‬ ‭imbalances‬ ‭or‬ ‭output‬ ‭gaps‬ ‭are‬ ‭corrected‬ ‭as‬ ‭prices‬ ‭(especially‬ ‭wages)‬ ‭become‬ ‭flexible‬ ‭allowing the economy to achieve long-run‬‭equilibrium.‬ ‭Let’s‬ ‭examine‬ ‭how‬ ‭the‬ ‭self-correction‬ ‭adjustment‬ ‭process‬ ‭closes‬ ‭both‬ ‭recessionary‬ ‭and‬ ‭inflationary‬ ‭gaps.‬ ‭Self-Correction of Recessionary Gap‬ ‭With‬‭a‬‭recessionary‬‭output‬‭gap,‬‭actual‬‭output‬‭or‬‭short-run‬‭equilibrium‬‭is‬ ‭less‬‭than‬ ‭the‬‭full-employment‬ ‭level‬ ‭of‬ ‭output‬ ‭(Y₁‬ ‭<‬ ‭Y‬ ‭f‬ ‭in‬ ‭the‬ ‭diagram‬ ‭below).‬ ‭This‬ ‭means‬ ‭that‬ ‭resource‬ ‭markets‬‭have‬‭surpluses‬‭and‬ ‭labor is‬ ‭not fully employed‬ ‭.‬

‭In this case, the original short-run equilibrium is at point A.‬

‭This‬ ‭recessionary‬ ‭gap‬ ‭is‬ ‭most‬ ‭likely‬ ‭due‬‭to‬‭a‬‭decrease‬‭and‬‭shift‬‭of‬‭the‬‭AD‬ ‭curve‬ ‭to‬ ‭the‬ ‭left‬ ‭(e.g.,‬ ‭lower‬ ‭consumption‬‭due‬‭to‬‭unemployment).‬ ‭Since‬‭wages‬‭and‬‭resource‬‭prices‬‭are‬ ‭inflexible‬ ‭in‬ ‭the‬ ‭short‬ ‭run,‬ ‭they‬ ‭do‬ ‭not‬ ‭decrease‬ ‭enough‬ ‭to‬ ‭eliminate‬ ‭unemployment‬ ‭and‬ ‭achieve‬ ‭equilibrium‬ ‭in‬ ‭the‬ ‭labor‬ ‭market‬ ‭(whereby‬ ‭the‬ ‭demand‬ ‭for‬ ‭labor‬ ‭=‬ ‭supply‬ ‭of‬ ‭labor).‬ ‭In‬ ‭other‬ ‭words,‬ ‭since‬ ‭some‬‭in‬‭labor‬‭are‬‭unemployed‬ ‭(low‬ ‭demand‬ ‭for‬ ‭labor),‬‭labor‬‭prices‬ ‭should‬ ‭decrease‬ ‭(recall‬ ‭the‬ ‭law‬ ‭of‬ ‭demand);‬ ‭however,‬ ‭since‬‭wages‬‭and‬ ‭prices‬ ‭are‬ ‭sticky‬ ‭in‬ ‭the‬ ‭short‬ ‭run,‬ ‭they do not.‬

‭However,‬ ‭in‬ ‭the‬ ‭long‬ ‭run,‬ ‭wages‬ ‭and‬ ‭resource‬ ‭prices‬ ‭become‬ ‭flexible‬ ‭and‬ ‭fall‬ ‭enough‬ ‭to‬ ‭eliminate‬ ‭imbalances‬‭in‬‭the‬‭labor‬‭market.‬ ‭As‬‭a‬‭result‬‭of‬‭declining‬‭wages‬‭and‬‭other‬‭resource‬‭prices,‬‭production‬ ‭costs‬ ‭decrease.‬ ‭A‬‭decrease‬‭in‬‭production‬‭costs‬ ‭increases‬‭SRAS‬‭shifting‬‭its‬‭curve‬‭to‬‭the‬‭right‬ ‭until‬‭it‬ ‭intersects‬ ‭both‬ ‭the‬ ‭AD‬ ‭and‬ ‭LRAS‬ ‭curves‬ ‭at‬ ‭point‬ ‭B‬ ‭where‬ ‭the‬ ‭recessionary‬ ‭gap‬ ‭is‬ ‭closed‬ ‭and‬ ‭the‬ ‭long-run equilibrium is achieved‬ ‭.‬ ‭Self-Correction of Infationary Gap‬ ‭With‬ ‭an‬ ‭inflationary‬ ‭output‬ ‭gap,‬ ‭actual‬ ‭output‬ ‭or‬ ‭short-run‬ ‭equilibrium‬ ‭is‬ ‭greater‬ ‭than‬ ‭the‬ ‭full‬ ‭employment‬ ‭level‬ ‭of‬ ‭output‬ ‭(Y₁‬ ‭>‬ ‭Y‬ ‭f‬ ‭in‬ ‭the‬ ‭diagram‬ ‭below).‬ ‭This‬ ‭means‬ ‭that‬ ‭resource‬ ‭markets‬ ‭have‬ ‭shortages and labor is‬ ‭overemployed.‬

‭In this case, the original short-run equilibrium is at point A.‬

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