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Research Article

Speculative bubbles and contagion: Analysis of volatility’s clusters during the DotCom bubble based on the dynamic conditional correlation model

& | (Reviewing Editor)
Article: 1411453 | Received 24 May 2016, Accepted 22 Nov 2017, Published online: 13 Dec 2017

Figures & data

Table 1. Overview of empirical researches

Table 2. Descriptive statistics of compounded stock market returns

Table 3. Unit root tests: Augmented Dickey-Fuller (ADF), Phillips-Perron (PP) and Kwiatkowski, Phillips, Schmidt, and Shin (KPSS)

Table 4. Order selection

Table 5. Dynamic conditional correlation (DCC)

Table 6. Constant contional correlation (CCC)

Table 7. Varying conditional correlation (VCC)

Table 8. Dynamic conditional correlation (DCC)—DotCom

Table 9. Constant conditional correlation (CCC)—DotCom

Table 10. Varying conditional correlation (VCC)—DotCom

Table 11. Wald-test full sample

Table 12. Wald-test DotCom

Table 13. Dynamic conditional correlation—Full sample vs. DotCom

Figure 1. NASDAQ Composite and Compound Returns of NASDAQ 1990–2005.

Figure 1. NASDAQ Composite and Compound Returns of NASDAQ 1990–2005.

Figure 2. American and European indices 1990–2005.

Figure 2. American and European indices 1990–2005.

Figure 3. Phillips et al. (Citation2013) critcial values.

Figure 3. Phillips et al. (Citation2013) critcial values.

Figure 4. Normalized stock market indices.

Figure 4. Normalized stock market indices.

Figure 5. All stock market indices.

Figure 5. All stock market indices.

Figure 6. Stock market returns.

Figure 6. Stock market returns.

Figure 7. Scatter plot every indices against each other.

Figure 7. Scatter plot every indices against each other.

Table 14. Constant conditional correlation: Full sample vs. DotCom

Table 15. Varying conditional correlation (VCC): Full sample vs. DotCom

Figure 8. Estimated dynamic correlation coefficients.

Figure 8. Estimated dynamic correlation coefficients.

Figure 9. Conditional variances of the returns.

Figure 9. Conditional variances of the returns.

Figure 10. Estimated dynamic correlation coefficients DotCom.

Figure 10. Estimated dynamic correlation coefficients DotCom.

Figure 11. Conditional variances of returns DotCom.

Figure 11. Conditional variances of returns DotCom.