دانلود مقاله ISI انگلیسی شماره 27593
عنوان فارسی مقاله

هموارسازی مصرف در یک اقتصاد باز به تناوب بی ثبات کوچک : مدارک و شواهد از نیوزیلند

کد مقاله سال انتشار مقاله انگلیسی ترجمه فارسی تعداد کلمات
27593 2006 19 صفحه PDF سفارش دهید محاسبه نشده
خرید مقاله
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عنوان انگلیسی
Consumption-smoothing in a small, cyclically volatile open economy : Evidence from New Zealand
منبع

Publisher : Elsevier - Science Direct (الزویر - ساینس دایرکت)

Journal : Journal of International Money and Finance, Volume 25, Issue 8, December 2006, Pages 1277–1295

کلمات کلیدی
حساب جاری - موقتی - هموارسازی مصرف - نیوزیلند -
پیش نمایش مقاله
پیش نمایش مقاله هموارسازی مصرف در یک اقتصاد باز به تناوب بی ثبات کوچک : مدارک و شواهد از نیوزیلند

چکیده انگلیسی

New Zealand's current account of the balance of payments has been persistently in deficit since the early 1970s and increased markedly during the late 1990s. Should this cause significant concern, for such a small, cyclically volatile open economy? Our results show that VAR1 and VAR2 forms of the traditional intertemporal consumption-smoothing model reflect very satisfactorily the volatile directions and turning points observed, that the data are not consistent with consumption-tilting to the present, and that New Zealand has had considerable success to date in consumption-smoothing around its average 5% current account deficit. Perhaps more unexpectedly, a Bergin–Sheffrin-type model of a small open economy with variable interest rates and exchange rates has not performed noticeably better.

مقدمه انگلیسی

New Zealand is one of the world's smallest, most cyclically volatile open economies, and has been a significant importer of capital for many decades. Its current account of the balance of payments has been persistently in deficit since the early 1970s, and its current account deficit to GDP ratio averaged around 5% during the 1980s and 1990s, varying from lows of 1% to highs of 9% (see Fig. 1).1 Full-size image (40 K) Fig. 1. Current account to GDP (%). Annual observations, at quarterly intervals. Figure options Should this historically persistent volatility, and the sharp deterioration in the current account deficit in the 1990s be a cause for significant concern for New Zealand and lenders of international financial capital? And should this have led to marked consumption-tilting to the present, or has the outcome simply been ongoing consumption-smoothing around its average deficit to GDP ratio? New Zealand's current account deficit numbers are clearly in conflict with conventional wisdom, summarised by Milesi-Ferretti and Razin (1996, p. 161) as “…current account deficits above 5% of GDP flash a red light, in particular if the deficit is financed with short-term debt or foreign exchange reserves, and if it reflects high consumption spending”. Yet a recent analysis of New Zealand's wider sustainability indicators is more sanguine, concluding that “…although New Zealand's current account deficit is sizeable, and will undoubtedly not remain at such an elevated level in the long-run, there are few reasons to believe that the transition to lower current account deficits will be disruptive to the economy.” (Collins et al., 1998, p. 30). In the above context, the key aims of this study are therefore: (1) to establish an illustrative intertemporally optimal “benchmark” path for New Zealand's current account, and to identify the extent to which actual current account movements have deviated over time from the consumption-smoothed optimal path and whether international financial flows have been excessively volatile; and (2) to establish preliminary empirical conclusions relating to external solvency. Our analytical modeling and testing reflect New Zealand's being a small, open, cyclically volatile economy, and the sample period being a particularly interesting and challenging one. The pervasive financial market regulation of the first half of the sample period was comprehensively and rapidly dismantled during the mid-1980s, and the latter part of the period further reflects outcomes from the Asian financial crisis when New Zealand's current account moved strongly into deficit. Our testing for the most appropriate “benchmark” current account path has encompassed not only the traditional intertemporal theoretic and empirical work developed in Sachs, 1982, Campbell, 1987, Campbell and Shiller, 1987, Sheffrin and Woo, 1990, Trehan and Walsh, 1991 and Otto, 1992, and Ghosh (1995); but also a small open economy model with variable interest rates and exchange rates of the type tested recently by Bergin and Sheffrin (2000) for Australia, Canada and the United Kingdom. Our results show that VAR1 and VAR2 forms of the traditional intertemporal consumption-smoothing model reflect very satisfactorily the volatile directions and turning points observed for New Zealand's current account (see Fig. 2), that the data are not consistent with consumption-tilting to the present, and that New Zealand has had considerable success to date in consumption-smoothing around its average 5% current account deficit. Perhaps more unexpectedly, a Bergin–Sheffrin-type model with variable interest rates and exchange rates has not performed noticeably better. This is despite its fixed real interest rate version being rejected in favour of the variable real interest and exchange rate version, dominated by the real exchange rate influence (see Fig. 3, Table 7). Full-size image (25 K) Fig. 2. Actual and predicted current account. Demeaned but not detrended. 1991/1992 per capita NZ$, r = 0.04 per annum. Figure options Full-size image (30 K) Fig. 3. Actual and predicted current account. A variable real interest and exchange rate model. Demeaned but not detrended, log per capita values. Figure options The remaining structure for this paper is as follows. Section 2 introduces and explains key economic and econometric methodology. Major empirical results are presented in Section 3. Conclusions appear in Section 4.

نتیجه گیری انگلیسی

There has been long-standing debate concerning the implications and appropriate policy response to persistent current account deficits in small open economies. This paper provides evidence from the particularly open, relatively cyclically volatile New Zealand economy, for an especially challenging sample period. The 1980s and 1990s saw substantial swings in its current account deficit, as high as 9% of GDP during the mid-1980s period of major financial market changes, and more recently around 7% following the Asian financial crisis in the late 1990s. This paper contributes to this debate firstly by evaluating New Zealand's external solvency, the extent of any consumption-tilting, the degree of optimality of the intertemporal consumption-smoothing through its current account, and whether its international financial capital flows have been used in an optimal (consumption-smoothing) fashion. Secondly, it shows that for this sample period, VAR1 and VAR2 forms of the traditional intertemporal consumption-smoothing model have had considerable success in providing a “benchmark” consumption-smoothing component of the current account and reflecting its actual directions and turning points. Specific results are as follows: (1) despite substantial deterioration in New Zealand's current account deficits during the late 1990s, its current account movements over our sample period as a whole have been consistent with its intertemporal budget constraint and hence its formal external solvency condition has been satisfied; (2) the data are not consistent with consumption-tilting toward the present; (3) the current account paths predicted by our VAR1 and VAR2 intertemporal optimisation models have satisfactorily reflected the actual directions and turning points for the consumption-smoothing component of the current account; (4) a clear majority of our test results are consistent with optimal consumption-smoothing around an average 5% current account deficit; (5) the variance ratios of our actual and model implied current account series are consistent with “no excess volatility” in international financial capital movements for consumption-smoothing purposes; and (6) perhaps more unexpectedly, a Bergin–Sheffrin-type model of a small open economy, with variable real interest rates and exchange rates, has not performed noticeably better.

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