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Table 9 Probit regression

From: Speculative bubbles and herding in cryptocurrencies

Dependent variable: bubble

 

BTC

ETH

XRP

ADA

DOGE

LTC

LINK

VET

XLM

THETA

TRX

Panel

Lagged returnt−1

0.011 (0.873)

0.025 (0.449)

0.014c (0.052)

−0.022 (0.219)

−0.006 (0.371)

0.001 (0.988)

0.056a (0.002)

0.008 (0.571)

0.009c (0.061)

0.047b (0.022)

0.012 (0.523)

0.014 (0.113)

Volumet−1

0.062 (0.551)

0.404a (0.000)

0.110a (0.000)

0.176a (0.000)

0.041b (0.030)

0.035 (0.541)

0.025 (0.253)

0.015 (0.710)

−0.002 (0.736)

0.246a (0.000)

0.016 (0.695)

0.142a (0.000)

Google Trendt−1

0.226a (0.000)

0.051a (0.002)

0.019c (0.064)

0.007 (0.586)

−0.053b (0.013)

0.039a (0.009)

0.023b (0.012)

0.081a (0.000)

0.008 (0.112)

0.054 (0.119)

0.042a (0.005)

0.042a (0.008)

Market returnt−1

0.019 (0.588)

0.035 (0.112)

−0.014b (0.029)

0.013 (0.464)

0.043a (0.000)

0.010 (0.593)

−0.041a (0.008)

0.004 (0.803)

−0.007 (0.137)

0.009 (0.615)

0.007 (0.613)

0.008 (0.386)

Volatilityt−1

−0.045 (0.229)

−0.022 (0.209)

−0.014c (0.069)

0.059a (0.000)

0.051a (0.000)

0.031b (0.038)

−0.007 (0.541)

0.014 (0.239)

−0.003 (0.640)

0.027 (0.164)

0.034a (0.003)

0.022b (0.049)

Observation

406

406

406

406

406

406

406

406

406

406

406

4466

R-squared

0.293

0.404

0.270

0.404

0.452

0.266

0.138

0.246

0.234

0.308

0.247

0.228

  1. The dependent variable is Bubble, which is equal to 1 during the bubble period and 0 if otherwise. The lagged return comprises a 1-day lag of the cryptocurrency return. Volume is the 1-day lag in the trading volume. Google Trends is a 1-day lag of Google Trends search volume. Market return is a 1-day lag CCI index return, and volatility is the 1-day lag of volatility. All variables were standardized. We used random effects and robust standard errors clustered by cryptocurrency in the panel estimation. In the time-series estimation, we used Newey–West’s (1987) robust standard errors
  2. R-squared refers to the McFadden pseudo R-squared value
  3. a, b, and c represent the significance at the 1, 5, and 10 percent levels, respectively