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Table 1 Variables description

From: Can ETFs affect U.S. financial stability? A quantile cointegration analysis

Variable

Description

Definition

Frequency

Source

Dependent variables

SP500 Price

The Standard and Poor's 500 Index level

Ln(SP500)t

Quarterly

Compustat

Volatility

CBOE's VIX

Ln(VIX)t

Quarterly

CBOE

Independent variables

ETF Flow of Funds (FoF)

Net FoF to Equity ETFs as % of Nominal GDP

Δ(ETF FoF/Nominal GDP)t

Quarterly

BoG of the U.S. Federal Reserve System

Control variables

EPS

Earnings Per Share (TTM)

Ln(EPS)t

Quarterly

Compustat

DPS

Dividend Per Share (TTM)

Ln(DPS)t

Quarterly

Compustat

Leverage

Debt-to-Equity Ratio

Ln(Total Liabilities/Total Equity)t

Annual

Compustat

Fed Rate

U.S. Fed Effective Rate (Annual Mean)

(FED Rate)t

Quarterly

BoG of the U.S. Federal Reserve System