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Working Paper Series

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Working papers disseminate economic research relevant not only to the tasks and functions of the Bank of Lithuania and of the European System of Central Banks but also appealing more broadly to the academic community in economics and finance. They present, discuss and analyse the results of original and academically rigorous theoretical and/or empirical research. Working papers constitute the basis for publications in leading academic journals, making contributions to the existing literature in the fields of economics and finance. They encourage collaboration between the researchers of the Bank of Lithuania and other central banks, Lithuanian and foreign universities and research institutes.

Papers are only available in English.

No 129
2025-01-17

Optimal Firm Entry with Returns to Scale

  • Abstract

    We study the welfare implications of distortions, such as markups and returns to scale, when firm entry is slow to adjust, allowing quasi-rents to persist for longer. First, we present evidence on differences in speed of firm entry adjustment across US industries. In some industries, such as hospitality, firms respond rapidly to profit opportunities, arbitraging quasi-rent quickly. Whereas, in other industries, such as construction, entrants respond slowly, sustaining incumbents’ quasi-rents for longer. We develop a model of sluggish firm adjustment, which shows that the sluggishness of firm adjustment magnifies the welfare costs of distortions. We study a model with a fixed cost and increasing marginal cost such that a perfectly competitive equilibrium exists, and in the absence of distortions market and planner equilibrium coincide with firms operating at minimum efficient scale. We contrast outcomes when there is curvature on the demand-side of the economy from markups and curvature on the supply-side of the economy from returns to scale, adding counter-evidence to the perception that the setups are isomorphic.

    Keywords: Markups, Firm Entry, Returns to Scale, Welfare

    JEL codes: E32, D21, D43, L13, C62

No 128
2024-12-17

The Heterogeneous Impacts of Firm Upgrading on Energy Intensity

  • Abstract

    This paper examines the influence of export activity on a firm’s energy intensity, with a particular focus on the role of the upgrading process. We introduce a firm-level complexity index incorporating two dimensions: the complexity of the goods traded, and the complexity of the destination markets served. By employing a quasi-experimental shift-share research design (Borusyak et al., 2022), we show that growth in external demand incentivizes firms to undertake upgrading activities, resulting in lower energy intensity. Furthermore, financial constraints diminish the energy efficiency gains from upgrading, especially for small firms. In addition, we explore whether upgraded firms can leverage higher markups, and show that this strategy is effective only for large firms. These findings indicate the need for targeted support policies for small firms and highlight the critical importance of maintaining open trade in an increasingly fragmented world.

    Keywords: Firm Upgrading, International Trade, Energy Intensity, Complexity, Structural Transformation, Economic Development.

    JEL classification: F14, D22, O33, Q56.

No 127
2024-11-26

Dynamic Effects of Industrial Policies Amidst Geoeconomic Tensions

  • Abstract

    Amid ongoing geoeconomic tensions, industrial policy has emerged as a prominent tool for policymakers. What are the dynamic and welfare effects of these policies? How does the short-sightedness of policymakers influence their choice of instruments? What are the distributional consequences of these protectionist measures? We address these questions with a dynamic two-country open-economy macro framework that incorporates firm heterogeneity, trade, and the offshoring of tasks. By calibrating the model to the contexts of the US and China, we explore the effects of four popular industrial policies: import tariffs, offshoring friction, domestic production subsidies, and entry subsidies. Our findings indicate that myopic policymakers are incentivized to subsidize production, while more forward-looking policymakers favor imposing import tariffs. Although all of these policies initially reduce wage inequality, some result in aggregate welfare losses, either in the short run or the long run.

    Keywords: Macroeconomic Dynamics, Firm heterogeneity, Trade, Trade-in-tasks, Industrial policies, Welfare, Global value chains.

    JEL classification: F23, F41, F51, F62, L51.

No 126
2024-11-11

Optimal Policies When Price Fairness Matters

  • Abstract

    This paper presents an analysis of optimal policies within a New Keynesian model that incorporates households’ concerns regarding fair price markups. Fluctuations in inflation shape perceptions of fairness, which constitute a pivotal factor in the design of policies. The optimal fiscal policy is an income subsidy designed to address inefficiencies resulting from price markups; however, it is ineffective in mitigating households’ perceptions of fair pricing. In the event that inflation targeting by the monetary authority is not sufficiently strict, the optimal policy shifts to a tax. The planner is thus able to mitigate both demand-driven inflation and concerns regarding the fairness of pricing, albeit at the cost of welfare losses. Furthermore, an analogous policy to price caps is examined, in which the planner determines an optimal markup path for firms in lieu of providing subsidies to households. This approach is demonstrated to be equivalent to a subsidy within this framework. Consequently, when fairness and inflationary pressures are relatively low to moderate, a price markup cap is an effective means of enhancing welfare. However, as these factors intensify, the planner sets a high markup, resulting in welfare losses.

    Keywords: New Keynesian model, fair markups, optimal fiscal policy, price cap.

    JEL classification: D11, E10, E31, H21, H31.