World Bank Policy Research March-April 1993 Volume 4, Number 2 Information technology's potential and performance The amount of information change in the way business is done. telecommunications networks has packed into economic activity Information technology provides also declined, although not as much worldwide is rising, but the use of a striking example of benefits that as for computers. information technology is not developing countries can gain by Despite these advantages, how- catching on as fast in developing tapping international sources of ever, the aggregate impact of countries as it has in industrial knowledge. While industrial information technology on produc- countries. Nor is this technology a economies have spent large sums tivity in developing countries has panacea-it is a tool for efficiency. on the development of information been disappointing. Studies of And to make it work requires industrial countries suggest that planning, organizational capabili- productivity gains from computer ties, managerial skills, and entre- use have thus far been limited. And preneurship. I ne aggrega Nobel Prize winner Robert Solow is In a special issue of World Devel- . reputed to have said that one sees opment devoted to information impact of computers everywhere except in technology, World Bank policy productivity statistics. researchers Ashoka Mody and Carl information Dahlman examine the potential and The information economy the constraints of the information technology has revolution. To explore the link between infor- As the unit costs of computers e be. disappoint mation technology use and per and modern communications have leng capita income, it is necessary to come down, their use has rapidly assess the role of information in grown, vastly improving the technologies, many products and modern economies. Why have capability of users to store, process, services are now available at prices information services become a and retrieve a variety of data, that continue to decline in interna- larger part of economic activity? Is ranging from simple numbers to tional markets. Information technol- it because the value of these ser- video images. ogy has additional relevance in vices has increased relative to other Information technology, which developing countries because it is economic activity? Or is greater includes computers, communica- applicable in small modules. The information intensity merely a tions technology, and the associated personal computer and associated reflection of lower unit costs of software, is being applied to fields storage technologies have brought information technology services? as diverse as science, manufactur- the technology within the range of The first influence can be thought of ing, finance, and marketing. In each small users, offering them an as shifting the demand curve for area, the technology creates the opportunity to leapfrog over information technology services potential for greater operational generations of equipment. The outward. The second is a shift in the efficiency and often leads to a economically efficient size of supply curve down the demand ,~ ii~ | . ' ,, ( Contents on page 2 U Inomtoa value of; impt0000Ort Global Economic Prospects and the license autin: : An empirical Developing Countries 1993 and perfor nc 0 0 New esearchs Technical and Relatedii Econometric analysis of pollution m Poland, 1986-91 abatement costs Working Papers Poverty in India, 1950-90 c T M s Issues of stabilization in tranitional economies ;alndar: Understanding bilateral trade fo Books in East Asia Spontaneous institutions and L for Balance betwee Con- sustainable rural develomnseatoadDvlpet in Africa Survey of service firms : Petersburg Experience The World BankPolicyReseac B is p i a y b t s vi Saf SbriptionstotheBulletin arecomplimentaryandBmayer eeby a E en rotm-27. The Bulletin 'spurpose is to inform the development Banks oicadrecotp tcs de ns of Ba publications, research summaries, and updts fin anude te an.hvew dipons in art hed are those of the authors and do not necessa eBa its Executi trs o the counrie they represent. The Bulletin is nW,ot cpyrghed ad t aybr r appropriates attition. For more information, contactEvelyn Aaro, the p c m Ao nih t 2 Continued from page 1 national and international economic infrastructure. Economic coordina- activity has increased steadily. The tion-which includes certain curve. This difference between proportion of "information" banking and financial services, shifting the demand curve and workers in the working population, movements of goods and services, shifting the supply curve highlights even in the early 1980s, was as high and legal services-has tradition- the potential and the limits of as 45 percent in the United States. ally accounted for the bulk of information technology diffusion in Other industrial countries, while information workers. But the developing countries. Unless the behind in this, were quickly catch- number of workers who create and demand curve begins to shift out- ing up. transfer knowledge is growing ward or the demand for information An information worker is one much faster. is highly price elastic, the technology engaged in knowledge creation, in According to another classifica- will continue to play a limited role in knowledge and information tion, growth has been especially developing countries. transfer, and in economic coordina- rapid in business services (advertis- Over the past four decades, the tion, including the operators of ing, consulting, accounting, elec- share of information services in "low-end" information processing tronic information services, credit Box 1 Phones, televisions, and computers A country's use of telephones, televi- * Second, the United States has a much applications. sions, and computers is strongly deeper and richer collection of computer * Third, the United States benefits correlated-the higher the number of professionals than any other country. These from agglomeration effects. Experienced telephones, the greater the number of professionals are not necessarily better professionals are extremely mobile and televisions and computers. And in "educated" than in other countries, but they carry with them embodied knowledge to general, the relationship is close between have much greater experience and hence new and competing finns. per capita income and information have a greater capability in developing new technology diffusion (see the figure). The numbers of telephones and televisions in GNP Who uses infornation technolog any country are generally close together, per capita, 1989 gy being about equal in the United States, (US$) Japan, and worldwide. In the East Asian 1640 economies, however, telephone diffusion 22,816 Japan 600 has far exceeded the diffusion of 83 televisions, indicating a strong govern- 960 ment priority in the development of 20,913 United 900 telephone networks. In contrast, Brazil States and the new republics of the former Soviet Union have much lower phone 17,834 Germnany 42 19 density than television density, suggest- 87 ing that telecommunications network development has lagged behind. 490 In the United States, there is about 9,259 Singapore 310 one computer for every four phone lines-a ratio much higher than in any Common- other country. The closest in this is 8,694 wealth of Singapore, which has one computer for dent States every five phone lines. In Japan and 405 Germany, there are seven to eight phone 6,098 Taiwan 260 lines per computer. If the U.S. ratio of (China) 56 computers to telephones is the normi, the other countries can be expected, under 3,953 Rep.of 20 certain conditions, to experience rapid Korea TVs growth of computer use to catch up to that normn. 246 Bai optr There are three possible reasons for 2,426 Brazil 210 Computers the United States to have a higher ratio of computers to telephones than other 9 countries. 318 India 9 * First, the value of computers 0.7 increases when they can be networked through telephone lines, and the United Number per 1,000 people States has a higherdensity of telephones Source: Egil Juliussen and Karen Juliussen, 'Phones vs TVs vs and wider range of telecom services than Computers," The 1992 Computer Industry Almanac, 5th Annual other countries. (Computer Industry Almanac, Inc., Incline Village, Nevada). 3 reporting, and airline computer These national trends are re- services relative to other activity. In reservations). Some of these busi- flected in international commerce. apparel industries, it is now common ness services were conceived and Trade in services grew significantly for international producers and implemented wholly on the basis of faster than merchandise trade distributors to be connected through a modern information technology during the 1980s. Moreover, the telecommunications links to shorten infrastructure. Business services growth in service trade has been delivery time and reduce losses due grew at almost 50 percent a year in faster than trade in manufactured to excess stocks or undersupply. The the United States during 1975-87- potential value of such losses (in from about $3 billion to $130 billion. relation to, say, costs of production) Not surprisingly, developing and has increased in recent years as newly industrializing economies .., , o competition has focused on high- have a smaller fraction of workers iThe difJusion of quality fashion and time-sensitive in the information industry than products rather than products that industrial countries do. Interest- information have a long shelf life. Producers and ingly, Hungary had more than 30 distributors in these businesses have percent of its workers in the infor- technology will thus been active in adopting various mation business in the early 1980s, information technology-based while the Republic of Korea had , systems to lower their transaction only about 15 percent. The Indian be slower In costs and inventories. share of information workers was Overall, developing economies even lower, at less than 15 percent developing have less need for such time- in the late 1980s. Studies show, sensitive information and hence are however, that the trends are very countries likely to place less value on infor- similar to those in industrial mation technology. But, since many economies. Countries as varied as developing countries have very Hungary and Korea show a sharply products, the most dynamic ele- deficient information recording and increasing share of information ment of merchandise trade. And dissemination systems, the mar- workers over time. Moreover, knowledge-intensive services seem ginal returns from simple informa- business services, though account- to have been growing faster than tion technology are likely to be ing for a small proportion of other services. higher in these countries than in information services, are growing Anecdotal evidence abounds on industrial economies where infor- very rapidly. the increasing value of information mation systems are already quite sophisticated. A further complicat- ing factor is that even the use of Box 2 Information technology in Africasimple information technology requires certain organizational lnfi mtio tehn ogyis sedin wie mte he mpotane o oraniatinalskills and incentives that may be actix ities in Africa. And when used skills Wequires training, preparing absent in particular developing effctiely suh tchnlog ha brugh fasiiliy rpors, eveopig bsinsscountry contexts. subs_antial _enefits mo African countries.~ plans. and procining hardware and On the whole, therefore, the Nigeria4is using computers to improve Itis easy to read into this conclusion diffusionnoffinformationntechnology finacia conrol ofkey ranpor tha wek mnageentskils i Aficacan be expected to proceed at a parstaals Anthe inKena i usng te o bame Foeig adises, oweer, slower rate in developing economies proces an anayze ducaion nd ofen aceptd inomplte tnderthan in industrial economies because finacia daa ad t reormtheschlasic ocuent tht hve ot etaledthethe value of information is lower and tesingsysem.Othr eampes f sateof orrwer' eistng nfomatonthe complementary skils to absorb prodctivty-ehancng iformtioncapailites. rogrm deignsforinformation technology are lacking. Ghaa t th ue o dekto pblihin qickfixeffrt (sch s