Investments and Changing Labour Productivity in Timber Floating:

Abstract

The aim of this article is to examine the change in labour productivity of timber floating on tributaries of northern Swedish rivers between 1930 and 1960. During this time, timber-floating operations were still relatively widespread but were put under economic pressure due to rapidly increasing labour costs and decreasing timber dimensions. This study examines various factors that could conceivably explain these changes in labour productivity in timber floating on the tributaries of the Ume and Vindel rivers. The results show that during the 1950s a partial phase-out of timber floating on the tributaries had a very small effect on labour productivity. Thus the combination of investment in the existing floatways and changes in the volumes of timber is the factor which best explains differences in labour productivity among different tributaries. Timber floating on the tributaries was influenced by annual variations in natural conditions, but since the relationship between investment costs and changes in labour productivity is significant, it still seems reasonable to draw the conclusion that investment in existing floatways resulted in increasing labour productivity during the examined period. These findings also contribute to the discussion of rationality and expectations as an explanation for investments in existing technologies, particularly in this type of transport system.     

Taxicab regulation in Japan

This paper proposes a model of a cruising taxicab industry under laissez faire pricing and free entry, and compares it with alternative regimes including collusive fare setting, collusive restrictions on entry, or both. In the model, under laissez faire, prices are determined by Nash bargaining with complete information and lie above marginal costs. Under laissez faire pricing and free entry the average number of vacant cabs need not be efficient and could be either higher than optimal or less, depending upon the relative bargaining power of individual cabs and potential customers. Under collusive control of entry, the average number of vacant cabs will be set at the efficient level given the prices, which if set collusively will be above the laissez faire prices. These findings shed new light on the political success of cartelizing regulation of the cruising taxicab industry such as that observed in Japan. J. Japanese Int. Economies 20 (2) (2006) 288–304.     

The need for reserves under full and limited flexibility of exchange rates

Summary The need for reserves under various degrees of exchange rate flexibility is discussed. In line with current thinking it is held that the need for reserves is generally smaller under conditions of limited exchange rate flexibility than under stable exchange rates. Contrary to the widespread belief that there is no need for holding reserves under freely floating exchange rates, it is argued that as long as there is a distinct possibility that freely floating rates will involve adjustment costs there is a strong case for the retention of some reserves by the monetary authorities.The author, currently on leave of absence as technical assistant to the Executive Director from the Netherlands of the IMF, is an official in the International Affairs Department of the Nederlandsche Bank. He wishes to thank Dr. P. Lieftinck, J. J. Polak, Dr. H. W. J. Wijnholds, Dr. J. H. Williamson, Mr. D. H. Boot and Mr. J. P. Th. Zwartjes for their helpful comments on an earlier draft of this paper. The responsibility for the views expressed is, however, entirely his own and cannot be interpreted as representing those of the institution where he is employed.     

A worldwide system of reference rates

This paper assumes that the major industrial countries (and probably most other major countries) will continue to employ inflation targeting and allow their exchange rates to float, in the sense of accepting no obligation to hold the rate at any particular level. However, it points out that floating may be interpreted in three different ways: as free floating, as permitting ad hoc intervention (with no rules, except possibly that there should be no “manipulation” of the exchange rate), and as managed floating, with the rules and parameters publicly announced. The latter can in turn be accomplished either by prescribing rules relating to changes or levels in the exchange rate. The paper argues in favor of a system of managed floating in which the rules prohibit intervention that would push the exchange rate away from an internationally agreed reference rate. It discusses the problems that would arise in calculating and agreeing a set of reference rates. While these would undoubtedly be serious, the prize is a system that would allow—but not compel—countries to attempt to limit the misalignments of their currency, and that would give the IMF a basis for effective surveillance.     

Free entry,market diffusion,and social inefficiency with endogenously growing demand

This paper analyzes market diffusion in the presence of oligopolistic interaction among firms. Market demand is positively related to past market size because of consumer learning, networks, and bandwagon effects. Firms enter the market freely in each period with fixed costs and compete in quantities. We demonstrate that the nature of the inefficiency under free entry can change as the market grows, and more importantly, that S-shaped diffusion can be a signal that the number of firms under free entry is initially insufficient, but eventually excessive.     

刍议酒店稳定员工队伍的策略

合理的人员流动无论是对社会还是对酒店来说,都是必须而合理的,但过高的员工流失率将会给酒店带来许多负面的影响.酒店要稳定员工队伍需让员工感到工作有意义;提高员工的福利待遇;加强酒店内部信息沟通;对员工实行"情感管理";"差异"激励员工.     

Inflation Under Alternative Exchange Rate Regimes: What Happens When Countries Differ in Size?

A three-country model is used to analyze how country size affects inflation under different exchange rate regimes. Two countries, an anchor country (leader) and a pegging country (follower), are examined where the latter differs in size. We find that the leader's preference for floating over pegging is unaffected by the follower's size except in the case where the follower is very small. However, as the follower gets smaller, the leader's inflation worsens under floating but improves under the single-currency peg. For the follower, as it gets smaller, its inflation performance improves when it floats its currency. But which regime is preferred is unclear.     

人民币汇率形成机制改革方式研究

文章分析放弃人民币盯住美元汇率制度的理由,阐述人民币汇率制度不具备实行单独浮动的条件,也不宜使人民币完全盯住一篮子货币,中国人民银行公告以市场供求为基础的、参考一篮子货币进行调节、有管理的浮动汇率制度是可行的.     

The optimal exchange rate regime for a small country

This paper examines the welfare comparisons between a freely floating, a managed floating, and a pegged exchange rate regime. We compare the expected loss under these regimes by modifying and generalizing Hamada’s (2002) model to accommodate intervention policy. We consider the de jure and de facto classifications, where the former is defined by the officially stated intentions of the monetary authorities, while the latter is based on the actually observed behavior of the nominal exchange rate. We first examine the exchange rate regimes from the central bank’s policy stance and the actual exchange rate policy. Next we assume that the regime which the private sector perceives according to an official announcement may be different from the one adopted actually by the central bank. We examine nine combinations of the de jure and de facto regimes. We interpret that, whenever they are different, there is informational friction between the central bank and the private sector. We show that the welfare level of a small country under freely floating is no less than that under other regimes, and that with some restrictive conditions, the de facto pegged or de facto managed floating is close to freely floating. This partly explains “Fear of floating” and “Fear of pegging”.     

The Behavior of the Real Exchange Rate Under Fixed and Floating Exchange Rate Regimes

This article investigates the behavior of real exchange rates under fixed and flexible exchange rates. Using data from both the Bretton Woods and the modern floating periods, we decompose real exchange rate movements into components attributable to supply shocks, real demand shocks, monetary shocks, capital flows shocks, and real oil price shocks. Empirical results show that real demand shocks are an important source of real exchange rate movements under both fixed and flexible rates, while monetary shocks are negligible. Supply and oil price shocks seem to be more important under Bretton Woods, while capital flows shocks seem to explain a relatively higher proportion of real exchange rate movements under the modern floating period.     

Has International Financial Integration Increased?

This paper compares the behavior of real interest rate differentials across the major countries under the Bretton Woods regime and the regime of floating exchanges that replaced it. The primary object is to investigate both the extent of market integration and its changes over time. For all fifteen possible country pairs real interest differentials are mean reverting, and in two-thirds of these cases indistinguishable from zero statistically. For all country pairs on average and for most such pairs individually, moreover, the estimated differentials are not appreciably different in absolute value than the differentials that we estimate for various money-market rates within the United States. Additional evidence points to a narrowing of differentials under floating rates over time and an increase in speeds of convergence.     

汇率制度是否影响失业率?——基于全球经济体的面板数据之经验分析

论文使用172个经济体在1991-2010年间的面板数据,研究了汇率制度对于失业率的影响。研究发现,在其他条件保持不变时,相对于中间汇率制而言,在发达经济体中,浮动汇率制会降低失业率,而钉住汇率制则会提高失业率;在新兴市场经济体中,浮动汇率制会提高失业率,而钉住汇率制则会降低失业率;在不包括新兴市场外的发展中经济体中,中间汇率制下的失业率最低,而钉住汇率制下的失业率最高。     

Managing the renminbi: should China peg to a trade‐weighted basket?

Pegging the renminbi (RMB) to the US dollar since 1994 has characterised China's exchange rate policy under a fixed peg or appreciating crawling peg. The current policy, announced in June 2010, of ‘floating with reference to a basket’ made the RMB 25 per cent stronger against a trade‐weighted basket by early August 2015, while it was 10 per cent stronger against the US dollar. Thus, 14 percentage points arose from changes in the cross rates of the other currencies, notably from the fall of the euro since December 2014. Devaluation of the RMB by 3 per cent in August 2015 just covered the effective appreciation since December 2014. Effects of the cross rates of other currencies could be eliminated by managing the external value of the RMB with reference to a genuine trade‐weighted basket. This could be a suitable intermediary exchange rate regime for China, as the risks associated with free floating are still great. Diversifying further the currency composition of the foreign exchange reserves and other foreign assets of the Chinese government, from US dollars towards euro and yen assets, would be a natural parallel shift. The euro–US dollar–yen exchange rates in late summer 2015 may offer a good opportunity to carry out this move.     

Exchange Rate Policy in Small Rich Economies

We look at the exchange rate policy choices and outcomes for small rich economies. Small rich economies face significant policy challenges due to proportionately greater economic volatility than larger economies. These economies usually choose some form of fixed exchange rate regime, particularly in the very small economies where the per capita cost of independent monetary policy is relatively high. When such countries do choose a free or managed floating regime, they appear to derive no benefit from those regimes; their exchange rate volatility seems to rise without any significant change in fundamental economic volatility. Thus, for these countries, floating exchange rates seem to create problems for policy makers without solving any.     

Central bank intervention and exchange rate dynamics: A rationale for the regime-switching process of exchange rates

By proposing a stochastic intervention model of exchange rate determination, this paper provides an alternative rationale for the success of the Markov-switching model in explaining exchange rate dynamics. One extreme case is a pure floating rate model while the other extreme one is a driftless random walk model. The relation between the exchange rate and the future fundamentals under a non-intervention state is looser than the one under a pure floating exchange regime. This article also provides a method for detecting a central bank's interventions when intervention data are not available. Applying the stochastic intervention model to the monthly NT$/US$ exchange rates in 1989M1–2004M6, we find that it outperforms both the pure floating rate model and the random walk model in terms of the likelihood value and the diagnostic test of heteroscedasticity. In addition, with the constructed intervention state index in this article, the estimation of the stochastic intervention model is found to be consistent with the hypothesis that the regime switches of exchange rates are due to a central bank's (non-)interventions. J. Japanese Int. Economies 21 (1) (2007) 64–77.     

Best practices for regional trade agreements

Complicated web of hub-and-spoke type of overlapping free trade agreements (FTAs) can result in high costs for verifying rules of origin (RoO) and trade diversion or suppression effects. This paper attempts to provide best practices for regional trade agreements (RTAs) to enhance global free trade by mitigating these negative effects. By adopting a gravity regression analysis, we quantitatively estimate the trade creation and diversion effects of cumulated RoO (bilateral, diagonal, and full cumulation) for RTAs established under GATT Article XXIV and under the Enabling Clause. We find that (i) RTAs, in general, create trade among members and divert trade from nonmembers, whereby the net trade-enhancing effect is rather weak; (ii) RTAs should be established under the comprehensive GATT Article XXIV, rather than the piecemeal Enabling Clause; and (iii) full cumulation is the most optimal provision in terms of creating the most intra-bloc trade and diverting the least extra-bloc trade. Overall, we strongly suggest that RTAs should employ full cumulation of RoO under GATT Article XXIV.     

资本账户开放和人民币汇率制度选择——基于升值压力下的中国特色IS-LM-BP模型分析

基于中国特色的IS—LM—BP模型分析人民币升值压力下的资本账户开放和汇率制度的选择所得出的结论都将与经典理论有很大差别。最终结论指出如果汇率制度先变革,财政货币政策应该反方向运作,或保持货币政策独立性,短期产量下降,由于资本账户的开放程度不同,长期产量增减不确定,完全浮动汇率制度不适用于中国。如果先开放资本项目,为保持内外均衡,必须保持汇率稳定,需要同方向实行扩张性的财政货币政策,短期和长期产量都大幅度增加。     

Optimal choice of monetary policy instruments when policymaking is costly

Poole's analysis of the optimal choice of monetary policy instruments assumes that stochastic disturbances are temporary, that a monetary authority determines instrument settings each period, and that policymaking is a costless activity. This paper considers an environment in which shocks are cumulative, the monetary authority precommits to instrument settings for an interval of its own choosing, and the authority incurs costs when it adjusts its instrument settings. The key result that arises in this framework is that costs of policymaking generally induce a monetary authority either to choose a socially suboptimal policy instrument or to adjust its policy instrument settings over time in a manner that appears to be inefficient.     

Counting carbon: historic emissions from fossil fuels,long-run measures of sustainable development and carbon debt

This article examines how to account for the welfare effects of carbon dioxide emissions, using the historical experiences of Britain and the USA from the onset of the industrial revolution to the present. While a single country might isolate itself from the detrimental effects of global warming in the short run, in the long all countries are unable to free ride. Thus, we support the use of a single global price for carbon dioxide emissions. The calculated price should decrease as we move back in time to take into account that carbon dioxide is a stock pollutant, and that one unit added to the present large stock is likely to cause more damage than a unit emitted under the lower concentration levels in the past. We incorporate the annual costs of British and US carbon emissions into genuine savings, and calculate the accumulated costs of their carbon dioxide emissions. Enlarging the scope and calculating the cumulative cost of carbon dioxide from the four largest emitters gives new insights into the question of who is responsible for climate change.     

Divergence indicators and the volatility smoothness in semi-fixed exchange rate regimes

Divergence Indicators and the Volatility Smoothness in Semi-Fixed Exchange Rate Regimes. —Fixed or semi-fixed exchange rate regimes have volatility paths that are in general less smooth than their free floating counterpart. Moreover, there tends to be a correlation between the lack of smoothness and the weakness of the currency. In this article, the effects of divergence from central parity on the smoothness of the volatility are discussed within the framework of a TGARCH model. It is shown that, for various EMS rates, the divergence indicator has a statistically significant effect on the smoothness of the volatility path.