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Discussion Paper
The Mysterious Cross-Country Dispersion in Mobile Phone Price Trends
Mobile phones have been central to ICT innovation since the introduction of the smartphone and constant-quality prices are a barometer of their economic impact. Official consumer price indices (CPIs) indicate that impact differs wildly across countries: For the 2008-2018 period, average annual rates of mobile phone inflation range from no change to a 25 percent decline among 12 key countries examined in this paper. Although evidence indicates certain fundamental factors are at play, mis-measurement may lead the spread in rates to be overstated. Examination of methods employed in CPI ...
Working Paper
ICT Asset Prices : Marshaling Evidence into New Measures
This paper is a companion to our recent paper, "ICT Prices and ICT Services: What do they tell us about Productivity and Technology?" It provides the sources and methods used to construct national accounts-style price deflators for the major components of ICT investment--communications equipment, computer equipment, and software--that were presented and analyzed in that paper. The ICT equipment measures described herein were also used in Byrne, Fernald, and Reinsdorf (2016). This paper is a companion to our recent paper, "ICT Services and their Prices: What do they tell us about ...
Discussion Paper
The Increasing Deflationary Impact of Consumer Digital Access Services
Although U.S. consumer price statistics are prone to upward bias, they remain useful if imperfect accounting has a known and stable effect (Boskin et al., 1998; Moulton, 2018). For example, monetary authorities may set a target for
Working Paper
Is the information technology revolution over?
Given the slowdown in labor productivity growth in the mid-2000s, some have argued that the boost to labor productivity from IT may have run its course. This paper contributes three types of evidence to this debate. First, we show that since 2004, IT has continued to make a significant contribution to labor productivity growth in the United States, though it is no longer providing the boost it did during the productivity resurgence from 1995 to 2004. Second, we present evidence that semiconductor technology, a key ingredient of the IT revolution, has continued to advance at a rapid pace and ...
Working Paper
Prices for Communications Equipment: Rewriting the Record
Communication equipment plays as large a role in high-tech investment as computers, yet prices for communication equipment have not been studied as extensively as prices for computers and electronic components. Prices for satellites, cell phones, and the ground stations for these systems--important components of a nation's communications infrastructure--are difficult to locate in official statistics. This paper develops new price measures for 16 types of communications equipment from 1963 to 2009. Indexes for some (e.g., cellular phone systems) experience declines of 15-20 percent per year, ...
Working Paper
Accounting for Innovations in Consumer Digital Services: IT still matters
This paper develops a framework for measuring digital services in the face of ongoing innovations in the delivery of content to consumers. We capture what Brynjolfsson and Saunders (2009) call "free goods" as the capital services generated by connected consumers' stocks of IT digital goods; this service flow augments the existing measure of personal consumption in GDP. Its value is determined by the intensity with which households use their IT capital to consume content delivered over networks, and its volume depends on the quality of the IT capital. Consumers pay for delivery services, ...
Discussion Paper
Own-Account IT Equipment Investment
This note considers a puzzle: why has information technology (IT) equipment investment in the National income and Product Accounts (NIPAs) been so weak since 2007 at the same time that financial reports indicate massive increases in capital expenditures by IT service companies?
Working Paper
Does the United States have a productivity slowdown or a measurement problem?
After 2004, measured growth in labor productivity and total-factor productivity (TFP) slowed. We find little evidence that the slowdown arises from growing mismeasurement of the gains from innovation in IT-related goods and services. First, mismeasurement of IT hardware is significant prior to the slowdown. Because the domestic production of these products has fallen, the quantitative effect on productivity was larger in the 1995-2004 period than since, despite mismeasurement worsening for some types of IT?so our adjustments make the slowdown in labor productivity worse. The effect on TFP is ...
Discussion Paper
Prices and Depreciation in the Market for Tablet Computers
Spurred by advances in electronic miniaturization and power efficiency, lightweight, powerful and inexpensive tablet computers entered the mass market in significant volumes in 2010. Since that time, sales of tablet computers have increased to account for over half of personal computer (PC) units sold worldwide.
Working Paper
How Fast are Semiconductor Prices Falling?
The Producer Price Index (PPI) for the United States suggests that semiconductor prices have barely been falling in recent years, a dramatic contrast to the rapid declines reported from the mid-1980s to the early 2000s. This slowdown in the rate of decline is puzzling in light of evidence that the performance of microprocessor units (MPUs) has continued to improve at a rapid pace. Over the course of the 2000s, the MPU prices posted by Intel, the dominant producer of MPUs, became much stickier over the chips' life cycle. As a result of this change, we argue that the matched-model methodology ...