FEDS Paper: Linear and Nonlinear Econometric Models versus Machine-Learning Models: Evidence from Realized-Volatility Forecasting(Revised)

Rehim KilicThis paper examines which representations of persistence and nonlinearity are most useful for forecasting realized volatility and whether machine learning adds value beyond econometric models designed for long memory and regime dependence. We compare HAR, ARFIMA, threshold HAR, smooth-transition HAR, and Markov-switching HAR with XGBoost and several neural-network models for the S&P 500 and 40 U.S. equities.

FEDS Paper: Risks and Uncertainty in Monetary Policy

Tobias Adrian, Domenico Giannone, Matteo Luciani, and Mike WestCentral banks monitor macroeconomic risk through two traditions: scenario analysis, regularly used since the mid-1990s, and distributional forecasting, practiced since the late 1960s. The two are complementary but separate: scenarios provide narratives without probabilities, while predictive distributions provide probabilities with limited economic interpretation.

IFDP Paper: Pricing Risk Globally: Intermediary Constraints, the Dollar, and the Global Financial Cycle

Ozge Akinci, Sebnem Kalemli-Ozcan, and Albert QueraltoWe study how increased uncertainty about U.S. asset returns affects global asset prices and exchange rates in a two-country model with intermediary balance-sheet constraints. Empirically, uncertainty shocks widen global credit spreads, appreciate the dollar, and increase currency risk premia. In our model, higher uncertainty tightens intermediary constraints and lowers asset prices, reversing the counterfactual asset price increase in frictionless models.

Environmental policy uncertainty and cleantech FDI

This paper examines whether environmental policy uncertainty undermines clean-technology investment in the United States by weakening policy-induced investment incentives. Using quarterly project-level data on U.S. greenfield investments from 2007Q1 to 2019Q1, combined with novel news-based indices that separately measure environmental policy salience and environmental policy uncertainty, we find that policy uncertainty substantially offsets the positive investment effects of environmental policy.

Environmental policy uncertainty and cleantech FDI

This paper examines whether environmental policy uncertainty undermines clean-technology investment in the United States by weakening policy-induced investment incentives. Using quarterly project-level data on U.S. greenfield investments from 2007Q1 to 2019Q1, combined with novel news-based indices that separately measure environmental policy salience and environmental policy uncertainty, we find that policy uncertainty substantially offsets the positive investment effects of environmental policy.

Shifting the cleanup cost of packaging waste to companies could encourage greener packaging – but only if states are aligned

Some state legislatures are seeking ways to alleviate anxieties about plastic waste. Rowanswiki/Wikimedia CommonsStanding in your local retail store, it can be mind-boggling to try to weigh the pros and cons of all the packaging options. Take shampoo, for example. Shampoo can come in a rigid plastic bottle, a flexible squeeze tube, a refillable metal canister or a solid bar in a paperboard box.

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