Market Volatility and Investors’ View of Firm-Level Risk: A Case of Green Firms
Abstract
:1. Introduction
2. Data and Methodology
2.1. Firm-Level Risk as Assessed by the Investors
2.2. Green Firms
2.3. High Market Volatility
2.4. Controls
2.5. Model
3. Results
3.1. Robustness Tests
3.1.1. Difference-in-Difference (DiD)
3.1.2. Propensity Score Matching (PSM)
3.1.3. Dynamic Panel Estimation—GMM Approach
4. Conclusions
Funding
Conflicts of Interest
Appendix A
Variable | Definition |
---|---|
Dependent variable | |
Idiosyncratic volatility (ivol) | Monthly idiosyncratic volatility (multiplied by 12 to annualize) estimated from Fama-French three-factor model using a 12-month estimation window, with a minimum of 10 months available data. |
Independent variable | |
Environmental performance (env) | Refinitiv’s environment score calculated from resource use, emission, and environmental innovation information reported. |
Environmental performance 1 (env1) | Indicator variable that takes a value one if a firm’s env is above industry-year specific median env, or zero otherwise. |
Environmental performance 2 (env2) | Indicator variable that takes the value of env if a firm’s env is above industry-year specific median ESG_env, or zero otherwise. |
Control variables | |
Corporate governance (cg) | Refinitiv’s governance score calculated from firm’s management, shareholders, and csr strategy. |
Firm size (size) | Natural logarithm of total assets |
Leverage (leverage) | Total debt/(market value of equity + total debt) |
Return on equity (roe) | Net income/total shareholders’ equity |
Market-to-book (Mkt2book) | Market capitalization/(total assets − total debt) |
Firm age (age) | Natural logarithm of firm age |
Cash flow (cashflow) | Cash flow from operations/total assets |
Trading volume (volume) | Natural logarithm of trading volume (in 100s) |
Firm risk taking (risktaking) | Standard deviation over three years of a firm’s return on assets’ (roa’s) deviation from the industry-year specific average roa calculated as in Langenmayr and Lester (2018) |
Industry (industry) | SIC code |
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1 | We also re-estimate Equation (1) with the matched sample. The results do not change qualitatively and are available upon request. |
Variable | Mean | sd | p50 | Min | Max | N |
---|---|---|---|---|---|---|
ivol | 0.057 | 0.033 | 0.048 | 0.010 | 0.646 | 8036 |
env | 0.302 | 0.286 | 0.235 | 0.000 | 0.985 | 8036 |
cg | 0.519 | 0.226 | 0.530 | 0.003 | 0.985 | 8036 |
size | 15.995 | 1.335 | 15.861 | 11.778 | 21.392 | 8036 |
leverage | 0.237 | 0.186 | 0.199 | 0.000 | 0.986 | 8036 |
roe | 0.166 | 0.449 | 0.128 | −12.337 | 19.681 | 8036 |
mkt2book | 3.758 | 7.044 | 2.431 | 0.344 | 231.952 | 8036 |
age | 3.969 | 1.762 | 3.434 | 0.000 | 7.610 | 8036 |
risktaking | 0.024 | 0.041 | 0.011 | 0.000 | 0.652 | 8036 |
cashflow | 0.106 | 0.075 | 0.097 | −0.498 | 0.852 | 8036 |
volume | 22.754 | 1.124 | 22.720 | 18.335 | 26.805 | 8036 |
Ivol | Env | Cg | Size | Leverage | Roe | Mkt2book | Age | Risktaking | Cashflow | |
---|---|---|---|---|---|---|---|---|---|---|
ivol | 1 | |||||||||
env | −0.1460 | 1 | ||||||||
cg | −0.1373 | 0.4938 | 1 | |||||||
size | −0.2533 | 0.3615 | 0.3351 | 1 | ||||||
leverage | 0.1194 | 0.0254 | 0.0613 | 0.3437 | 1 | |||||
roe | −0.1093 | 0.0873 | 0.0718 | −0.0119 | −0.1391 | 1 | ||||
mkt2book | −0.0474 | 0.0660 | 0.0307 | −0.0904 | −0.1752 | 0.7106 | 1 | |||
age | −0.0364 | 0.1049 | 0.1175 | 0.0066 | −0.0611 | 0.0163 | 0.0225 | 1 | ||
risktaking | 0.2693 | −0.0409 | −0.0458 | −0.1513 | −0.0241 | −0.0655 | −0.0038 | 0.0106 | 1 | |
cashflow | −0.015 | 0.0455 | −0.0017 | −0.3486 | −0.4715 | 0.2449 | 0.2171 | 0.0610 | 0.0539 | 1 |
volume | 0.0884 | 0.3754 | 0.3041 | 0.4981 | 0.1021 | 0.017 | 0.0277 | 0.1238 | 0.1267 | 0.0319 |
Whole Period | High Volatility Period | |||||
---|---|---|---|---|---|---|
(1) | (2) | (3) | (4) | (5) | (6) | |
env | −0.00667 ** | −0.00590 | ||||
(0.00331) | (0.00516) | |||||
env1 | −0.000983 | −0.00223 * | ||||
(0.000862) | (0.00121) | |||||
env2 | −0.00311 * | −0.00452 * | ||||
(0.00186) | (0.00262) | |||||
cg | −0.00666 ** | −0.00754 *** | −0.00733 *** | −0.00924 ** | −0.00978 ** | −0.00965 ** |
(0.00272) | (0.00278) | (0.00275) | (0.00418) | (0.00438) | (0.00430) | |
size | −0.00703 *** | −0.00725 *** | −0.00720 *** | −0.00568 *** | −0.00580 *** | −0.00579 *** |
(0.00128) | (0.00125) | (0.00126) | (0.00176) | (0.00169) | (0.00171) | |
leverage | 0.0563 *** | 0.0564 *** | 0.0564 *** | 0.0500 *** | 0.0502 *** | 0.0501 *** |
(0.00562) | (0.00564) | (0.00563) | (0.00637) | (0.00637) | (0.00636) | |
roe | −0.00199 * | −0.00192 * | −0.00194 * | −0.00526 ** | −0.00507 * | −0.00508 * |
(0.00107) | (0.00105) | (0.00106) | (0.00261) | (0.00261) | (0.00263) | |
mkt2book | 6.38 × 10−5 | 6.09 × 10−5 | 6.06 × 10−5 | 0.000240 * | 0.000232 * | 0.000232 * |
(5.94 × 10−5) | (5.92 × 10−5) | (5.90 × 10−5) | (0.000124) | (0.000124) | (0.000124) | |
age | −0.00525 *** | −0.00521 *** | −0.00527 *** | −0.00771 *** | −0.00764 *** | −0.00774 *** |
(0.00185) | (0.00185) | (0.00185) | (0.00254) | (0.00255) | (0.00254) | |
risktaking | 0.0643 *** | 0.0639 *** | 0.0640 *** | 0.0660 *** | 0.0652 *** | 0.0656 *** |
(0.0165) | (0.0165) | (0.0165) | (0.0214) | (0.0212) | (0.0213) | |
cashflow | −0.0223 ** | −0.0228 ** | −0.0228 ** | −0.0172 | −0.0178 | −0.0178 |
(0.00946) | (0.00946) | (0.00944) | (0.0110) | (0.0110) | (0.0110) | |
volume | −0.0170 *** | −0.0165 *** | −0.0168 *** | −0.0176 *** | −0.0171 *** | −0.0176 *** |
(0.000655) | (0.000633) | (0.000650) | (0.000900) | (0.000920) | (0.000909) | |
Constant | 0.563 *** | 0.556 *** | 0.563 *** | 0.566 *** | 0.557 *** | 0.568 *** |
(0.0285) | (0.0285) | (0.0284) | (0.0418) | (0.0422) | (0.0418) | |
Year fixed-effect | Yes | Yes | Yes | Yes | Yes | Yes |
Observations | 8036 | 8036 | 8036 | 4120 | 4120 | 4120 |
R-squared | 0.309 | 0.308 | 0.309 | 0.357 | 0.357 | 0.357 |
Number of firms | 793 | 793 | 793 | 786 | 786 | 786 |
(1) | (2) | (3) | |
---|---|---|---|
env | −0.00656 ** | ||
(0.00334) | |||
env1 | −0.000706 | ||
(0.000900) | |||
env2 | −0.00285 | ||
(0.00200) | |||
high_vix | 0.00450 ** | 0.00268 | 0.00302 |
(0.00225) | (0.00195) | (0.00197) | |
env × high_vix | −0.000192 | ||
(0.00169) | |||
env1 × high_vix | −0.000531 | ||
(0.000845) | |||
env2 × high_vix | −0.000468 | ||
(0.00155) | |||
cg | −0.00666 ** | −0.00753 *** | −0.00734 *** |
(0.00273) | (0.00278) | (0.00276) | |
size | −0.00703 *** | −0.00725 *** | −0.00720 *** |
(0.00128) | (0.00125) | (0.00126) | |
leverage | 0.0563 *** | 0.0564 *** | 0.0564 *** |
(0.00561) | (0.00564) | (0.00563) | |
roe | −0.00199 * | −0.00191 * | −0.00193 * |
(0.00107) | (0.00105) | (0.00105) | |
mkt2book | 6.37 × 10−5 | 6.11 × 10−5 | 6.06 × 10−5 |
(5.95 × 10−5) | (5.92 × 10−5) | (5.90 × 10−5) | |
age | −0.00525 *** | −0.00520 *** | −0.00526 *** |
(0.00185) | (0.00185) | (0.00185) | |
risktaking | 0.0643 *** | 0.0639 *** | 0.0640 *** |
(0.0165) | (0.0165) | (0.0165) | |
cashflow | −0.0223 ** | −0.0228 ** | −0.0228 ** |
(0.00946) | (0.00945) | (0.00944) | |
volume | −0.0170 *** | −0.0166 *** | −0.0169 *** |
(0.000668) | (0.000636) | (0.000665) | |
Constant | 0.564 *** | 0.558 *** | 0.565 *** |
(0.0283) | (0.0285) | (0.0281) | |
Year effect | Yes | Yes | Yes |
Observations | 8036 | 8036 | 8036 |
R-squared | 0.309 | 0.308 | 0.309 |
Number of firms | 793 | 793 | 793 |
Panel A: Probit Estimation Result for Propensity Score | ||
Whole | High Volatility | |
cg | 1.28904 *** | 1.31063 *** |
(0.09499) | (0.13327) | |
size | 0.53312 *** | 0.51380 *** |
(0.02611) | (0.03654) | |
leverage | −0.82716 *** | −0.69752 *** |
(0.13980) | (0.18229) | |
roe | 0.04784 | 0.02032 |
(0.05872) | (0.06969) | |
mkt2book | −0.00179 | 0.00276 |
(0.00426) | (0.00619) | |
age | 0.01604 | 0.01857 |
(0.01128) | (0.01572) | |
risktaking | −0.20839 | −0.29795 |
(0.49759) | (0.67082) | |
cashflow | 0.99748 *** | 1.27275 *** |
(0.33422) | (0.45978) | |
volume | 0.20936 *** | 0.21808 *** |
(0.02724) | (0.03807) | |
_cons | −14.40691 *** | −14.29582 *** |
(0.72157) | (0.91561) | |
Year effect | Yes | Yes |
Industry effect | Yes | Yes |
observations | 7888 | 3987 |
Pseudo R2 | 0.2195 | 0.212 |
Panel B: Treatment Effect of Environmental Performance on ivol | ||
Unmatched | ||
Treated | 0.05313 | 0.05638 |
Controls | 0.05941 | 0.06340 |
Difference | −0.00628 *** | −0.00702 *** |
(0.00074) | (0.00117) | |
ATT | ||
Treated | 0.05313 | 0.05638 |
Controls | 0.05670 | 0.05810 |
Difference | −0.00357 ** | −0.00171 |
(0.00137) | (0.00216) |
Whole Period | High Volatility | |||||
---|---|---|---|---|---|---|
(1) | (2) | (3) | (4) | (5) | (6) | |
L1.ivol | 0.462 *** | 0.474 *** | 0.472 *** | 0.511 *** | 0.527 *** | 0.515 *** |
(0.0712) | (0.0678) | (0.0689) | (0.0774) | (0.0712) | (0.0729) | |
L2.ivol | −0.0913 ** | −0.0937 *** | −0.0910 *** | −0.148 *** | −0.138 *** | −0.141 *** |
(0.0356) | (0.0331) | (0.0335) | (0.0492) | (0.0444) | (0.0458) | |
env | −0.00641 * | −0.00618 | ||||
(0.00345) | (0.00596) | |||||
env1 | −0.00109 | −0.000721 | ||||
(0.000995) | (0.00178) | |||||
env2 | −0.00310 | −0.00568 * | ||||
(0.00225) | (0.00328) | |||||
cg | −0.00241 | −0.00330 | −0.00346 | −0.00531 | −0.00780 | −0.00682 |
(0.00373) | (0.00371) | (0.00360) | (0.00547) | (0.00561) | (0.00526) | |
size | −0.00672 *** | −0.00716 *** | −0.00659 *** | −0.00865 *** | −0.0101 *** | −0.00860 *** |
(0.00124) | (0.00128) | (0.00126) | (0.00205) | (0.00225) | (0.00208) | |
leverage | 0.0492 *** | 0.0498 *** | 0.0500 *** | 0.0644 *** | 0.0659 *** | 0.0641 *** |
(0.00715) | (0.00728) | (0.00734) | (0.00846) | (0.00850) | (0.00823) | |
roe | −0.00895 *** | −0.00895 *** | −0.00917 *** | −0.0116 ** | −0.0128 ** | −0.0121 ** |
(0.00304) | (0.00307) | (0.00312) | (0.00522) | (0.00506) | (0.00521) | |
mkt2book | 0.000336 *** | 0.000327 *** | 0.000339 *** | 0.000394 * | 0.000451 ** | 0.000409 * |
(0.000127) | (0.000126) | (0.000130) | (0.000233) | (0.000228) | (0.000234) | |
age | −0.000818 * | −0.000869 ** | −0.000745 * | −0.00133 ** | −0.00119 * | −0.00123 * |
(0.000447) | (0.000432) | (0.000441) | (0.000648) | (0.000699) | (0.000632) | |
risktaking | 0.0530 *** | 0.0573 *** | 0.0581 *** | 0.0328 * | 0.0285 | 0.0334 * |
(0.0168) | (0.0172) | (0.0175) | (0.0188) | (0.0185) | (0.0186) | |
cashflow | −0.00107 | −0.00114 | 9.68 × 10−5 | 0.0137 | 0.0208 | 0.0207 |
(0.0127) | (0.0126) | (0.0126) | (0.0176) | (0.0174) | (0.0177) | |
volume | 0.00653 *** | 0.00506 *** | 0.00513 *** | 0.00846 *** | 0.00649 ** | 0.00741 *** |
(0.00152) | (0.00134) | (0.00134) | (0.00301) | (0.00262) | (0.00266) | |
Constant | 0.0610 *** | 0.0217 | 0.00361 | 0.0676 | 0.0251 | |
(0.0227) | (0.0224) | (0.0573) | (0.0469) | (0.0447) | ||
Year effect | Yes | Yes | Yes | Yes | Yes | Yes |
Observations | 5896 | 5896 | 5896 | 3222 | 3222 | 3222 |
Number of firms | 759 | 759 | 759 | 752 | 752 | 752 |
AR(1) test (z-statistic) | −4.79 *** | −4.93 *** | −4.90 *** | −4.89 *** | −5.06 *** | −5.02 *** |
AR(2) test (z-statistic) | 0.66 | 0.75 | 0.70 | 0.60 | 0.61 | 0.58 |
Hansen test of over-identification (J-statistic) | 587.52 | 591.09 | 594.34 | 347.99 *** | 347.43 *** | 352.08 *** |
Diff-in-Hansen tests of exogeneity (J-statistic) | 108.58 | 102.48 | 109.04 | 88.84 * | 76.45 | 87.82 * |
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Kyaw, K. Market Volatility and Investors’ View of Firm-Level Risk: A Case of Green Firms. J. Risk Financial Manag. 2020, 13, 175. https://doi.org/10.3390/jrfm13080175
Kyaw K. Market Volatility and Investors’ View of Firm-Level Risk: A Case of Green Firms. Journal of Risk and Financial Management. 2020; 13(8):175. https://doi.org/10.3390/jrfm13080175
Chicago/Turabian StyleKyaw, Khine. 2020. "Market Volatility and Investors’ View of Firm-Level Risk: A Case of Green Firms" Journal of Risk and Financial Management 13, no. 8: 175. https://doi.org/10.3390/jrfm13080175