YOUNESS EL-BAKKIOUI
11-17-2017, 15:36
ﺗﻌﻠﻢ ﺃﻧﻪ ﻋﻨﺪﻣﺎ ﻳﺰﻳﺪ ﺍﻟﻄﻠﺐ ﻋﻠﻰ ﺳﻠﻌﺔ ﻣﺎ ﻓﺈﻥ ﺳﻌﺮﻫﺎ ﻳﺮﺗﻔﻊ
, ﻭﻋﻨﺪﻣﺎ ﻳﻨﺨﻔﺾ ﺍﻟﻄﻠﺐ ﻋﻠﻴﻬﺎ ﻓﺈﻥ ﺳﻌﺮﻫﺎ ﻳﻨﺨﻔﺾ .
ﻭﻋﻨﺪﻣﺎ ﻳﺰﻳﺪ ﻋﺪﺩ ﺍﻟﺮﺍﻏﺒﻴﻦ ﺑﺸﺮﺍﺀ ﺳﻠﻌﺔ ﻋﻦ ﻋﺪﺩ ﺍﻟﺮﺍﻏﺒﻴﻦ
ﻓﻲ ﺑﻴﻌﻬﺎ ﺳﻴﺮﺗﻔﻊ ﺳﻌﺮﻫﺎ ﻭﻋﻨﺪﻣﺎ ﻳﺰﻳﺪ ﻋﺪﺩ ﺍﻟﺮﺍﻏﺒﻴﻦ ﻓﻲ ﺑﻴﻊ
ﺳﻠﻌﺔ ﻋﻦ ﻋﺪﺩ ﺍﻟﺮﺍﻏﺒﻴﻦ ﻓﻲ ﺷﺮﺍﺀﻫﺎ ﺳﻴﻨﺨﻔﺾ ﺳﻌﺮﻫﺎ .
ﻭﻫﺬﺍ ﻣﺎ ﻳﺴﻤﻰ ﻗﺎﻧﻮﻥ ﺍﻟﻌﺮﺽ ﻭﺍﻟﻄﻠﺐ Supply and
Demand .
ﻳﻨﻄﺒﻖ ﻫﺬﺍ ﺍﻟﻘﺎﻧﻮﻥ ﻋﻠﻰ ﺍﻟﻌﻤﻼﺕ ﻛﻤﺎ ﻳﻨﻄﺒﻖ ﻋﻠﻰ ﺃﻱ ﺷﺊ
ﺁﺧﺮ . ﻓﺈﺫﺍ ﻛﺎﻥ ﻋﺪﺩ ﺍﻟﺮﺍﻏﺒﻴﻦ ﺑﺸﺮﺍﺀ ﻋﻤﻠﺔ ﻣﺎ ﺃﻛﺜﺮ ﻣﻦ ﻋﺪﺩ
ﺍﻟﺒﺎﺋﻌﻴﻦ ﻓﺈﻥ ﺳﻌﺮ ﻫﺬﻩ ﺍﻟﻌﻤﻠﺔ ﻳﺮﺗﻔﻊ . ﻭﺇﺫﺍ ﻛﺎﻥ ﻋﺪﺩ ﺍﻟﺮﺍﻏﺒﻴﻦ
ﺑﺒﻴﻊ ﻋﻤﻠﺔ ﻣﺎ ﺃﻛﺜﺮ ﻣﻦ ﻋﺪﺩ ﺍﻟﻤﺸﺘﺮﻳﻦ ﻓﺈﻥ ﺳﻌﺮ ﻫﺬﻩ ﺍﻟﻌﻤﻠﺔ
ﻳﻨﺨﻔﺾ
, ﻭﻋﻨﺪﻣﺎ ﻳﻨﺨﻔﺾ ﺍﻟﻄﻠﺐ ﻋﻠﻴﻬﺎ ﻓﺈﻥ ﺳﻌﺮﻫﺎ ﻳﻨﺨﻔﺾ .
ﻭﻋﻨﺪﻣﺎ ﻳﺰﻳﺪ ﻋﺪﺩ ﺍﻟﺮﺍﻏﺒﻴﻦ ﺑﺸﺮﺍﺀ ﺳﻠﻌﺔ ﻋﻦ ﻋﺪﺩ ﺍﻟﺮﺍﻏﺒﻴﻦ
ﻓﻲ ﺑﻴﻌﻬﺎ ﺳﻴﺮﺗﻔﻊ ﺳﻌﺮﻫﺎ ﻭﻋﻨﺪﻣﺎ ﻳﺰﻳﺪ ﻋﺪﺩ ﺍﻟﺮﺍﻏﺒﻴﻦ ﻓﻲ ﺑﻴﻊ
ﺳﻠﻌﺔ ﻋﻦ ﻋﺪﺩ ﺍﻟﺮﺍﻏﺒﻴﻦ ﻓﻲ ﺷﺮﺍﺀﻫﺎ ﺳﻴﻨﺨﻔﺾ ﺳﻌﺮﻫﺎ .
ﻭﻫﺬﺍ ﻣﺎ ﻳﺴﻤﻰ ﻗﺎﻧﻮﻥ ﺍﻟﻌﺮﺽ ﻭﺍﻟﻄﻠﺐ Supply and
Demand .
ﻳﻨﻄﺒﻖ ﻫﺬﺍ ﺍﻟﻘﺎﻧﻮﻥ ﻋﻠﻰ ﺍﻟﻌﻤﻼﺕ ﻛﻤﺎ ﻳﻨﻄﺒﻖ ﻋﻠﻰ ﺃﻱ ﺷﺊ
ﺁﺧﺮ . ﻓﺈﺫﺍ ﻛﺎﻥ ﻋﺪﺩ ﺍﻟﺮﺍﻏﺒﻴﻦ ﺑﺸﺮﺍﺀ ﻋﻤﻠﺔ ﻣﺎ ﺃﻛﺜﺮ ﻣﻦ ﻋﺪﺩ
ﺍﻟﺒﺎﺋﻌﻴﻦ ﻓﺈﻥ ﺳﻌﺮ ﻫﺬﻩ ﺍﻟﻌﻤﻠﺔ ﻳﺮﺗﻔﻊ . ﻭﺇﺫﺍ ﻛﺎﻥ ﻋﺪﺩ ﺍﻟﺮﺍﻏﺒﻴﻦ
ﺑﺒﻴﻊ ﻋﻤﻠﺔ ﻣﺎ ﺃﻛﺜﺮ ﻣﻦ ﻋﺪﺩ ﺍﻟﻤﺸﺘﺮﻳﻦ ﻓﺈﻥ ﺳﻌﺮ ﻫﺬﻩ ﺍﻟﻌﻤﻠﺔ
ﻳﻨﺨﻔﺾ