James Picerno | Jun 23, 2015 07:43AM ET
US economic growth is projected to post a moderate rebound in the second quarter, based on The Capital Spectator’s average estimate for several econometric-based forecasts. GDP is on track to rise 1.7% (seasonally adjusted annual rate) in the “advance” Q2 report scheduled for release on July 30 via the Bureau of Economic Analysis. The average forecast is a relatively sluggish rate, although today’s revised outlook marks a revival after Q1’s 0.7% slump.
Some analysts are looking for a stronger gain. The June 22 forecast from BMO Capital Markets, for instance, projects GDP jumping by 3.0% in Q2. Meanwhile, Wells Fargo) anticipates a comparatively weak rate of growth at just 1.3% as of June 10. As for the celebrated survey data —the current projection sees GDP higher by 2.6% in the second quarter, according to the average estimate.
Here’s a graphical summary of how The Capital Spectator’s Q2:2015 estimate compares with recent history and forecasts from various sources:
Here are the various forecasts that are used to calculate CapitalSpectator.com’s average estimate:
As updated estimates are published, based on incoming economic data, the chart below tracks the changes in the evolution of The Capital Spectator’s projections.
Finally, here’s a brief profile for each of The Capital Spectator’s GDP forecast methodologies:
R-4: This estimate is based on a R of historical GDP data vs. quarterly changes for four key economic indicators: real personal consumption expenditures (or real retail sales for the current month until the PCE report is published), real personal income less government transfers, industrial production, and private non-farm payrolls. The model estimates the statistical relationships from the early 1970s to the present. The estimates are revised as new data is published.
R-10: This model also uses a multiple regression framework based on numbers dating to the early 1970s and updates the estimates as new data arrives. The methodology is identical to the 4-factor model above, except that R-10 uses additional factors—10 in all—to forecast GDP. In addition to the data quartet in the 4-factor model, the 10-factor forecast also incorporates the following six series: ISM Manufacturing PMI Composite Index, housing starts, initial jobless claims, the stock market (Wilshire 5000), crude oil prices (spot price for West Texas Intermediate), and the Treasury yield curve spread (10-year Note less 3-month T-bill).
ARIMA GDP: The econometric engine for this forecast is known as an “forecast” package, which optimizes the parameters based on the data set’s historical record.
ARIMA R-4: This model combines ARIMA estimates with regression analysis to project GDP data. The ARIMA R-4 model analyzes four historical data sets: real personal consumption expenditures, real personal income less government transfers, industrial production, and private non-farm payrolls. This model uses the historical relationships between those indicators and GDP for projections by filling in the missing data points in the current quarter with ARIMA estimates. As the indicators are updated, actual data replaces the ARIMA estimates and the forecast is recalculated.
VAR 4: This R to crunch the numbers.
ARIMA R-NIPA: The model uses an “forecast” package, which optimizes the parameters based on the data set’s historical record.
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