Diagnosing stock market bubbles with advanced ADF tests

Stock Market Bubbles and Unemployment∗

This paper incorporates endogenous credit constraints in a search model of unemployment. These constraints generate multiple equilibria supported by self-fulfilling beliefs. A stock market bubble exists through a positive feedback loop mechanism. The collapse of the bubble tightens the credit constraints, causing firms to reduce investment and hirings. Unemployed workers are hard to find jobs g...

Evaluation of Multiple Bubbles in the Stock Market of Tehran

عدم تشخیص حباب‌های قیمت دارایی و نوع آن (یگانه و چندگانه) موجب اثرات مخربی بر اقتصاد می‌شود. ابزارهای اقتصادی جدید، نه تنها تحلیل رفتار انفجاری ملایم حباب را ممکن گردانیده؛ بلکه تعیین تاریخ شروع و خاتمه آنها را نیز مهیا کرده است. هدف مطالعه حاضر کشف حباب‌های قیمت بورس اوراق بهادار تهران و شرکت فرابورس ایران و تعیین تاریخ‌های شروع، انفجار و محو کامل حباب در دوره 01/1389 تا 01/1395 است. در این ر...

Stock Market Bubbles in the Laboratory

Trading at prices above the fundamental value of an asset, i.e. a bubble, has been verified and replicated in laboratory asset markets for the past seven years. To date, only common group experience provides minimal conditions for common investor sentiment and trading at fundamental value. Rational expectations models do not predict the bubble and crash phenomena found in these experimental mar...

Bubbles In Tehran Stock Exchange

Stock Market Bubbles and Business Cycles: A DSGE Model for the Iranian Economy

T his paper investigates the movement between stock market bubbles and fluctuations in aggregate variables within a DSGE model for the Iranian economy. We apply a new Keynesian monetary framework with nominal rigidity in wages and prices based on the study by Ikeda (2013), which is developed with appropriate framework for the Iranian economy. We consider central bank behavior differe...