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Sự hình thành và tan vỡ của
bong bong cổ phiếu
 Lý thuyết kẻ ngốc hơn
 Các nhân tố dẫn đến hình thành bong bong cổ
phiếu
 Sự tan vỡ bong bong cổ phiếu
Lý thuyết về kẻ ngốc hơn
• Người ta gọi những người tham gia vào thị
trường với sự lạc quan thái quá là anh
ngốc, anh ngốc chấp nhận mua cổ phiếu được
định giá rất cao với mong đợi sẽ bán được nó
cho một tay đầu cơ tham lam khác (kẻ ngốc
hơn) với mức giá cao hơn nhiều.
• Quá trình này tiếp diễn đến khi xuất hiện kẻ
ngốc nhất bong bong sẽ vỡ.
Các nhân tố chính dẫn đến sự hình
thành bong bong cổ phiếu
 Chính sách nới lỏng tín dụng làm cho lãi suất
thấp.
 Đơn giản hóa các quy định trong hoạt động cho
vay tín dụng.
 Tâm lý đám đông.
 Nền kinh tế yếu, môi trường đầu tư kém đa
dạng.
 Nhu cầu đầu cơ và long tham của các nhà đầu
tư.
 Hoạt động đầu cơ có tổ chức.
Sự tan vỡ của bong bong cổ phiếu
• Khi “kẻ ngốc nhất” xuất hiện, không còn ai
sẵn sàng mua các cổ phiếu được định giá quá
cao kia với giá cao hơn nữa, việc này làm cho
giá cổ phiếu chững lại.
• Các nhà đầu tư ồ ạt bán cổ phiếu mình nắm
giữ trong khi cầu không có làm giá cổ phiếu
giảm.
Bong bóng cổ phiếu tan vỡ.

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Sự hình thành bong bong cổ phiếu

  • 1. Sự hình thành và tan vỡ của bong bong cổ phiếu  Lý thuyết kẻ ngốc hơn  Các nhân tố dẫn đến hình thành bong bong cổ phiếu  Sự tan vỡ bong bong cổ phiếu
  • 2. Lý thuyết về kẻ ngốc hơn • Người ta gọi những người tham gia vào thị trường với sự lạc quan thái quá là anh ngốc, anh ngốc chấp nhận mua cổ phiếu được định giá rất cao với mong đợi sẽ bán được nó cho một tay đầu cơ tham lam khác (kẻ ngốc hơn) với mức giá cao hơn nhiều. • Quá trình này tiếp diễn đến khi xuất hiện kẻ ngốc nhất bong bong sẽ vỡ.
  • 3. Các nhân tố chính dẫn đến sự hình thành bong bong cổ phiếu  Chính sách nới lỏng tín dụng làm cho lãi suất thấp.  Đơn giản hóa các quy định trong hoạt động cho vay tín dụng.  Tâm lý đám đông.  Nền kinh tế yếu, môi trường đầu tư kém đa dạng.  Nhu cầu đầu cơ và long tham của các nhà đầu tư.  Hoạt động đầu cơ có tổ chức.
  • 4. Sự tan vỡ của bong bong cổ phiếu • Khi “kẻ ngốc nhất” xuất hiện, không còn ai sẵn sàng mua các cổ phiếu được định giá quá cao kia với giá cao hơn nữa, việc này làm cho giá cổ phiếu chững lại. • Các nhà đầu tư ồ ạt bán cổ phiếu mình nắm giữ trong khi cầu không có làm giá cổ phiếu giảm. Bong bóng cổ phiếu tan vỡ.